Best Monocular in 2022: Budget, Compact, Hunting & Phone Compatible Monoculars!

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Best Monoculars for All Budgets and Activities

A monocular is a highly undervalued optic.  How can it stand to compete against binoculars and spotting scopes when clearly bigger always seems to be better?

Well, bigger isn't always better.  The inherent advantage of a monocular is its lightweight and compact size.

While the best monoculars may not be as popular or as widely available in various forms as is its larger optical rivals, we root for the single barrel optic.

For everything from low prices to high power and specialized features such as night vision and thermal monoculars. From both underdog and authoritative brands, we've got a monocular up our sleeve that you will want to know about before you buy!

Our 14 Top Monoculars Compared

IMAGEPRODUCTDETAILS
tt-table__imageMaven CM.1
  • Magnification: 8X 32mm
  • Prism Type: Schmidt-Pechan
  • Price Range: Approx. $150
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tt-table__imageRoxant Grip Scope
  • Magnification: 6X 30mm
  • Prism Type: Unspecified BaK-4
  • Price Range: Under $50
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tt-table__imageEmarth Tech Zoom 10-30X50
  • Magnification: 10-30X 50mm
  • Prism Type: BaK-4 Porro Prism
  • Price Range: Under $100
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tt-table__imageBushnell Legend Ultra HD
  • Magnification: 10X 42mm
  • Prism Type: BaK-4 Roof Prism
  • Price Range: Under $200
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tt-table__imageLeica Monovid 8X20
  • Magnification: 8X 20mm
  • Prism Type: Roof Prism
  • Price Range: Under $500
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tt-table__imageVortex Solo 10X25
  • Magnification: 10X 25mm
  • Prism Type: Roof Prism
  • Price Range: Under $100
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tt-table__imageVortex Solo R/T
  • Magnification: 8X
  • Prism Type: Roof Prism
  • Price Range: Under $150
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tt-table__imageZeiss Mono 6X18 T
  • Magnification: 6X 18mm
  • Prism Type: Schmidt-Pechan prism
  • Price Range: Under $400
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tt-table__imageCarson BlackWave
  • Magnification: 10X
  • Prism Type: Roof Prism
  • Price Range: Under $50
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tt-table__imageVortex Recce Pro HD 8X32
  • Magnification: 8X 32mm
  • Prism Type: Unspecified
  • Price Range: Under $300
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tt-table__imageGosky Titan 12X50
  • Magnification: 12X 50mm
  • Prism Type: BaK-4 Roof Prism
  • Price Range: Under $100
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tt-table__imageCarson CloseUp 6X18
  • Magnification: 6X 18mm
  • Prism Type: K-9
  • Price Range: Under $20
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tt-table__imageArcheer 16x52
  • Magnification: 10X
  • Prism Type: BaK-4 Roof Prism
  • Price Range: Under $20
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tt-table__imageFirefield Siege 10X50
  • Magnification: 10X 50mm
  • Prism Type: BaK-4 Roof Prism
  • Price Range: Under $100
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A lot of unexpected brands have earned a head start in our lineup as our top monocular recommendations.  Why?  Believe it or not, most buyers are ordinary people who want something affordable, portable, easy to use, and works without issue.

Not every buyer is out to spend a fortune on an expensive setup.  Not every buyer is an obsessed bird watcher, the seasoned, light-packed hunter, or an undercover law enforcement agent.  But, if you happen to be on the lookout for a high-end monocular for these specialized reasons, we've got you covered here too.

Most likely, this one monocular will be used for everything from observing far-off wildlife to enjoying the touchdown moment at a game.  At the same time, you can consider a monocular for hiking, sightseeing, camping, stargazing, hunting, and even covert operations that those in law enforcement and the military would be involved in.

Most monoculars in our lineup are intended to be used as stand-alone devices.  The thing about monoculars is, they're easily portable and convenient to use.  They shed the weight of similar spec binoculars, and their handheld use in a compact and lightweight package is the biggest advantage of all.

Whether it's a budget restriction, hunting need, or compact design that drives your shopping criteria, we have a recommendation for you.

Top 14 Best Monocular Reviews

1. Maven CM.1 8x32 - Best Value for Money

Maven CM.1 8x32 Monocular Review

Monoculars are known for their small package, but the only real small thing about the Maven monocular is its price point. Offering much more than it has a right to, the CM.1 is easily the best monocular for the money.

Pros:

  • Price
  • ED glass
  • Prism coatings
  • Weatherproof
  • Lightweight

Cons:

  • No tripod mountable

When I field tested the CM.1, I discovered that it’s right on par with high-end monoculars in the market - and yet it costs less than $200! I was expecting something more in line with cheaper alternatives but was proved wrong right from unboxing.  

The build quality is excellent as it feels grippy and rugged. Made with a polymer frame, nitrogen gas-purged chamber, and water-sealed, the CM.1 will be no stranger to the outdoors.

The glassing experience is what sold me on my field tests. The ED glass benefits and dielectric prism coating are immediately obvious. This made glassing for birds, wildlife, and people a comfortable and enjoyable activity.

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With just one barrel to use, it’s fast and covert to employ. This may be helpful for law enforcement. In fact, local law enforcement checked it out and found it to be a handy tool for observation activities.

As a mid-range monocular with an entry-level price point, the CM.1 is a worthy choice of optic for any recreational and observation activities you may have in mind.

2. Roxant Grip Scope Review - Best Budget Monocular

Roxant Monocular Telescope - Wide View High Definition BAK4 Spotting Scope -...
3,903 Reviews
Roxant Monocular Telescope - Wide View High Definition BAK4 Spotting Scope -...
  • NO SLIP COMFORT MOLDED GRIP - Provides Less Shake - Very Easy To Hold Steady With One Hand - We’ve combined the best of comfort and functionality meaning you can...

Roxant has mastered the art of producing a limited amount of affordable, quality products that hit home with the buying crowd.  One such product is the Grip Scope monocular that has several hundreds of buyers and a proven track record behind its name.  As an inexpensive scope, can it really be the bargain it's intended to be?

Pros:

  • Price
  • Compact
  • No-slip grip
  • BaK-4 glass
  • Retractable eyepiece

Cons:

  • Focusing issues

The Grip Scope is a compact, mini device and has a lot going for it.  It's obviously a bargain buy for its low price, and we recommend it to make camping, bird watching, and possible spy sessions even more fun.

Even though it's basic and has entry-level quality, it has quality features worth mentioning.  As a 6x30 monocular, it's just compact enough to forfeit the process of having a retractable eyepiece, but Roxant doesn't cut corners.  Instead of cheap, fold-up types that never stay up, they install a twist-up eyecup to help the user achieve ideal eye relief with or without glasses.  By the way, actual eye relief is a long 20 mm.

BaK-4 glass makes up the prism assembly and air-to-glass surfaces are finished with fully multi-coated coatings.  A focus rings allows you to adjust the monocular to get the sharpest, best sight picture possible.  As for its "wide view" claims, the Roxant monocular actually lives up to its claim.  Field of view is 180 m at 1000 m which is pretty darn good for a monocular.

However, there are many buyers that are using the retractable eyepiece incorrectly or mistakenly assuming it's the focus mechanism.  This has caused a lot of confusion in being able to properly focus the monocular.  It might pay to peruse the easy-to-read instructions before labeling the Roxant as a defective optic.

Considering the Grip Scope is under $100, is compact, and has a very versatile design, it certainly earned its place as top monocular in this lineup!

3. Emarth Tech Zoom 10-30X50 Review - Best Zoom Monocular

Emarth High Power 10-30X50 Zoom Monocular Telescope BAK4 Prism Waterproof Fog...
675 Reviews
Emarth High Power 10-30X50 Zoom Monocular Telescope BAK4 Prism Waterproof Fog...
  • Portable Zoom Monocular - Emarth monocular features a powerful zoom magnification range that adjustable 10x to 30x magnification, use low magnification if you need to see...

This zoom monocular is a new product for the brand, and it's already hitting trend-setting ratings with the masses.  As a variable power handheld scope, you can imagine the convenience and benefits it will bring to your next hunt, bird watching session, or safari adventure.

Pros:

  • Price
  • Zoom power
  • Good eye relief
  • Fully multi-coated
  • IPX7 rating

Cons:

  • Narrow field of view

High quality zoom monoculars are tough to produce.  With that said, you will not find a high-end zoom optic save it be a full-size spotting scope with a very high price tag.  If you're after the variable power of a cheap monocular for purely recreational purposes, the Emarth 10-30x50 monocular may be for you.

Although field of view will be seriously compromised (71-35 m @1000 m), buyers have said the Emarth scope is capable of reaching 30x zoom.  Since the monocular is compact at 8 x 4 x 3 inches and is lightweight weighing in at 1 pound, it may pay to mount it to a tripod with the 1/4" connection for an extra steady image when you don't want to miss a thing.

Fully multi-coated optics, BaK-4 Porro prism, a large 50 mm objective lens diameter, and 15.4 - 19.5 mm eye relief puts it on par with other decent monoculars in this price range.  It's at the top of its game in the field, and will be a nifty gadget to have the next time you need an up-close view.

Thanks to its low price tag, comparable quality to other similar monoculars, and its fast-growing popularity with the masses, the Emarth Tech Zoom monocular has earned its place with us.

4. Bushnell Legend Ultra HD Review - Best Monocular Under $200

Bushnell Legend Ultra HD monocular
Image Credit: Bushnell

Bushnell has an optic inventory that can cater to every type of outdoor enthusiast and tactical agent there is.  Of course, there is a monocular from this well-known brand that makes it into our lineup.  The Legend Ultra HD monocular has trusted optics, multiple features, and specs to suit almost every buyer that needs a durable and sharp set of eyes.

Pros:

  • Lightweight/compact
  • ED Prime glass
  • PC-3 Phase Coating
  • Ultra Wide Band Coating
  • RainGuard HD

Cons:

  • Price

As you can see, the optics on this monocular are impressive.  To start with, it has a roof prism assembly with BaK-4 glass that includes ED Prime (Extra-low Dispersion) elements to provide HD (High Definition) image quality.

But, a roof prism optic wouldn't mean much if the process wasn't complete with PC-3 Phase Coating technology.  What is it?  It's a special coating that gets applied to the prism to improve contrast and resolution.

Ultra Wide Band Coating tech is exclusive to Bushnell.  It consists of applying 60 layers of coating on the prism assembly to ensure maximum light transmission for the brightest picture you can possibly achieve.

As is expected of Bushnell, RainGuard HD protects the integrity of your sight picture and the outer lens from weather.  Speaking of weather, it's also fog and waterproof with an IPX7 rating.  Features don't end just yet as it also has twist-up eyecups, a focusing knob, and a Picatinny rail and carry clip to allow mounting.

It's a high power monocular with 10x magnification and a 42 mm objective lens, and it's half the weight and half the price of a 10x42 binocular with the same features.  Regardless, it's more expensive than other monoculars on the market as you're paying for the significant improvement in image quality and the security of buying from a well-known trusted brand backed with their Ironclad warranty.

5. Leica Monovid 8X20 Review - Best for Surveillance

Leica Monovid 8X20
Image Credit: Leica

We promised we'd throw in a high-end monocular from a premium brand for you serious buyers out there looking for the highest scope quality possible.  What better brand could we pick than Leica?  The Monovid 8x20 may be small, but its big reputation precedes itself.  With a price tag that is more than quadruple what we're seeing in the lineup, is the Monovid all that it's cracked up to be?

Pros:

  • 8x magnification
  • Extreme close focus
  • HDC/AquaDura coatings
  • Weatherproof
  • Aluminum housing

Cons:

  • Price

We all know Leica optics are expensive - it's the tradeoff for high quality materials and superior image quality not seen on other optics.  Regardless, when you want the best, you're willing to pay for it, and Leica is a brand we recommend putting your money with all day, every day.

An aluminum housing keeps the monocular extremely durable and lightweight.  Since this is a Leica, it's not just waterproof in a generic kind of way, it's water-tight and submersible to a depth of 5m.  To protect air-to-glass surfaces, AquaDura and HDC (High Durable Coating) coatings are applied for the best viewing and protection you can have when out in harsh weather and terrain.

The Monovid has an impressive close focus distance of 1.8 m, but if you need painstaking detail when you're already up and close, you'll want to take advantage of the included close focus lens.  With this attachment, a close focus distance of 25-30 cm is easily achievable.

Since this mini scope has Leica quality behind it, it's the best monoculars for tactical scenarios or surveillance when industry-leading contrast, color fidelity, and resolution is needed to make out minute details.

Only the hardcore spenders are going to consider the Monovid.  How obsessed are you?

6. Vortex Solo 10X25 Review - Best Monocular for Hunting

Vortex Solo 10X25 monocular
Image Credit: Vortex Optics

We heartily welcome a Vortex optic to the lineup, and the Solo 10x25 model is the pick of the lot.  Vortex has easily been a first choice brand for many as their VIP warranty is famously known to be true and honored.  You can spend less than $100 and still be guaranteed the best valued monocular on the street.

Pros:

  • Price
  • Lightweight/compact
  • Fully multi-coated
  • Rubber armored
  • Weatherproof

Cons:

  • Price

The Solo is the only monocular you'll ever need to buy.  It'll put you at the top of the food chain with its high 10x power to get you seeing further and its fully multi-coated optics to get you seeing brighter.

However, let's be real for a second as it only has a 25 mm objective lens.  It's not going to perform in lowlight conditions like a pair of 10x42 or 10x50 binoculars would.  But, for instant spotting in multiple hunting situations, the Solo can get it done for you just like it has with its satisfied following of disciples.  So, leave the binos behind if you truly want a pocket-sized set of eyes.

An adjustable eyecup allows use for those sporting spectacles, however, the eye relief is still pretty tight with only 14.5 mm of leeway.  With Vortex behind its build, you know it’s both fog and waterproof and wrapped in a durable rubber armor for ultimate shockproof protection.

A stiff focus ring might raise an eyebrow or two, but it shouldn't feel like it's welded to the build.  Good thing it's a Vortex and it's backed with a VIP warranty, right?

7. Vortex Solo R/T – Best for Target Shooting

Vortex Solo RT
Image Credit - Vortex

The Solo R/T is an asset at the target range for calling corrections or for quickly estimating range on your targets. Priced cheaper than the Recon R/T, the Solo is an affordable and worthy buy for non-professionals.

  • 8x32 configuration
  • Mrad ranging reticle
  • Good eye relief
  • Reticle focus
  • Vortex tough
  • Not tripod adaptable

What makes the Solo R/T a R/T monocular is the MRAD ranging reticle. Unfortunately, it can be quite difficult to gain a completely steady image with 8x magnification when you’re trying to mill a target. With no ability to mount it to a tripod, some of its effectiveness is decreased. However, some have gone the extra mile and rigged a setup to cater for mounting to a rifle or tripod - to each their own… the Recon R/T has a tripod mount.

The ranging reticle has 300–600-meter quick ranging silhouettes off-centered to the reticle. The first 10 mrads are in 1 mrad increments and then every 10 mrads thereafter. The 12 and 3 o’clock crosshairs continue in 1 mrad increments with numbered references every 5 mrads.

It can be suited to some 3-gun competitions, target shooting, and of course, as an observational tool for casual use. Some have even incorporated it into hunting applications. Given that the reticle does not obstruct the view, it remains a high-performing, FMC coated monocular for maximum clarity and brightness in applications where the reticle is not needed.

It has the much-needed adjustable features such as the diopter, focus, and eyecup. With eye relief of 18mm, it should fit those who wear glasses well. Even though it’s under $150, it’s not without Vortex-tough quality. It’s been nitrogen-purged and O-ring sealed for protection from both water and internal fogging.

Top the affordable price point of the Vortex Solo R/T with the VIP Warranty, and it’s a monocular made for target shooting, some competition, and learning how to range with a reticle.

8. Zeiss Mono 6X18 T Review - Best Under $500

Zeiss Conquest Mono 6x18mm Monocular with T Lenses
71 Reviews
Zeiss Conquest Mono 6x18mm Monocular with T Lenses
  • Zeiss T* Anti-Reflective coating is designed to reduce surface reflections and, consequently, remove flares and ghost images, resulting in a clear, crisp picture
  • Field of view: 120m at 1000m away
  • 6x magnification in a pocket-sized device
  • Achromatic lens design minimizes chromatic and spherical aberration

Zeiss regularly comes up at the top of everyone's list when it comes to sport optics.  They're an authoritative brand that has earned their stripes when it comes to industry-leading products.  But, when buying optics from such a brand, prices may be just out of reach for most on the hunt for a monocular.  The 6X18 T has a lot of offer, but are you willing to flip the bill for one?

Pros:

  • Extremely compact
  • Extremely lightweight
  • Schmidt-Pechan prism
  • Extremely close focus distance
  • Wide field of view

Cons:

  • Price

The Zeiss monocular is slim and sleek - an iconic feature for the German brand.  It's only 3.7 inches in height and weighs only 2 ounces.  It gives a whole new meaning of compactness when you're looking to ditch the weight and increase stealth and covertness.

Its highlight feature is its extremely close focus distance of just 30 cm.  It's more akin to a magnifier than anything.  This is an ideal feature for those with low vision or who are looking to scrutinize the details of fine art at a museum.

At the same time, it's also a high-quality, long-viewing, miniature telescope.  With 6x magnification, you still have a great field of view range of 120 m at 1000 m.  The mini mono isn't looking so mini now after all, right?

Because this is a "T" model, it has Zeiss' patented T* anti-reflective coatings to boost maximum light transmission for the brightest sight picture this 6x18 monocular can attain.  Protect your investment with the included soft leather pouch.  Carry it around with the included carry strap too.

The monocular is designed to be portable, convenient, and superior in optical quality to all else on the market.  It does exactly as it's designed and advertised to if you can afford it.

9. Carson BlackWave – Best Under $50

Carson BlackWave
Image Credit - Carson

The BlackWave is a mini monocular with 10x power for big seeing. Due to its compact design, it’s easy to hold in the hand, toss into a pouch, or stow in a pocket. If you’re going to buy budget, you should do it with a known optics brand. Carson offers a pocket-size monocular at a pocket-size price.

Pros:

  • Price
  • 10x25 configuration
  • Glass lenses
  • Waterproof
  • Lightweight/compact

Cons:

  • Short eye relief

For a monocular this affordable, one must appreciate the quality in the BlackWave. It incorporates BK7 glass to form the prism and then the chamber is purged with nitrogen gas for fogproof protection. The monocular is advertised as being waterproof and having been dry-gas-purged, it likely is.

Being extremely compact and lightweight at 1.5 x 1.5 x 5” in size and 4.32 oz, it’s deserving of seeing plenty of action on every excursion. Part of its small size is due to its 25mm lens, so it’s not going to be a lowlight performer as it remains a daylight champ.

With 10x magnification, it takes steady hands to maintain a stable image given that it lacks tripod threading. However, the 10x power is excellent especially for those who need magnified power for close-range work with a close focus distance of four feet.

Those with glasses will have a difficult time using the BlackWave due to the short 12mm of eye relief even though there is an adjustable eye cup. The Carson monocular comes with a soft pouch for storage, lens cloth, and a strap, and it’s covered by their No Fault Warranty.

As a result of its ultralight, small size and price point, the BlackWave is great for catching fast glimpses for casual applications like birdwatching, quick scans in the hunt, and for short-range spotting.

10. Vortex Recce Pro HD 8X32 Review - Best Under $300

Vortex Recce Pro HD 8X32 monocular
Image Credit: Vortex Optics

Everything tactical is what the Recce Pro HD monocular is about.  It's a drool-inducing unit for the shooter who's after sub-MOA groups and high-precision accuracy.  With a Mil-based reticle, ranging silhouettes, and ED glass, you could be a sharp shooter in no time.

Pros:

  • ED glass
  • XR coatings
  • Ranging reticle
  • Lightweight/compact
  • Weatherproof

Cons:

  • Folding eyecups

Let's face it: the more tech and quality an optic has, the more it's going to cost you.  Some features such as ED (Extra-low Dispersion) glass that can provide HD image quality is sure to push a price tag way beyond that of a mediocre monocular on the market.  If you want the better quality, be willing to pay for it.

The ED glass minimizes the effects of chromatic aberrations and enhances resolution for crisp and bright viewing that you demand from a premium monocular.  Vortex also coats the optics with XR Fully Multi-Coated anti-reflective coatings to push light transmission rates above par.

The hash-marked MRAD reticle allows for windage, holdover, and ranging calculations.  The reticle display also has multiple silhouettes for quick ranging.  Get your reticle as sharp and black as possible with the reticle focus that is separate to the focus ring.

Unfortunately, we can't brag about the flared eyecup with its folding design.  We've never been a big fan of fold-up eyecups, and it's a shame to see it on this high-end device.  However, the integrated utility clip that's also compatible with the included MOLLE/PALS compatible pouch might be enough to get over it.  You tell us.

11. Gosky Titan 12X50 Review - Best to Use With Smartphone

Gosky Titan 12X50 High Power Prism Monocular and Quick Smartphone Holder -...
2,305 Reviews
Gosky Titan 12X50 High Power Prism Monocular and Quick Smartphone Holder -...
  • 12X50 High Power Magnification - Have the best view in your outdoor adventures. To see 12X closer with a clear and bright image with the generous, light-gathering 50mm...
  • Comes with a Gosky 2021 newest quick alignment smartphone holder. Compatible with phone 13series, 12series, 11series, SE, Xs,Xr, X, 8 plus, 8, 7plus,7, 6plus, 6,5s,5, 4s,...

Titan - it's a popular name for a monocular, maybe because it represents a behemoth amount of features and quality for an ironically small device.  While we've already seen a featured Titan in this lineup, the Gosky monocular has something else to offer.   Let's check it out.

Pros:

  • Price
  • Smartphone capability
  • High power
  • BaK-4 glass
  • Weatherproof

Cons:

  • Some quality control issues

Its most standout feature has to be its smartphone capability.  The Titan is equipped with Gosky's newest quick alignment smartphone adapter.  It's compatible with most iPhone, Samsung, LG, and more smartphone brands in the market.  Hook it up and get ready to bring out your inner photographer skills.

With high 12x magnification and a large 50 mm objective lens, your ability to capture images and watch wildlife in low light conditions is dramatically improved versus 6x monoculars.  While it's surprisingly compact at 2" x 3" x 5" in size and 14 ounces in weight, it should be mounted to a tripod to get the best and most steady image quality possible.

BaK-4 glass makes up the roof prism assembly in the mini spotting scope which has a higher light transmission rate than BK7.  With fully multi-coated optics, twist-up eyecups, and a completely sealed and nitrogen-filled build, you have a monocular that's made to last, is easy to use, and will provide good photos anywhere, any time.

But, there are various quality control issues to be on the lookout for when you buy a monocular with a ton of features for such a low price.  Make sure to fully inspect and test out your monocular upon box opening.  Gosky customer service seems very responsive and eager to remedy any potential issues.  Their products wouldn't be this popular if they weren't!

12. Carson CloseUp 6X18 Review - Best Compact Monocular

Carson CloseUp 6X18 monocular
Image Credit: Carson

Monoculars don't get smaller than the Carson CloseUp.  It's not just a small monocular, it's a tiny thing that takes being portable and on-the-go to a whole new level.  To match its miniature design is a ridiculously low price.  Is the CloseUp a joke or a toy?  It's neither.

Pros:

  • Price
  • Smartphone capability
  • High power
  • BaK-4 glass
  • Weatherproof

Cons:

  • Quality control issues

The CloseUp, as mini as it is, is a real monocular.  It has real glass with fully coated optics, 6x magnification, and an 18 mm objective lens diameter.  While the field of view isn't too impressive for a 6x monocular, it still offers almost 150 ft at 1000 yards.

This compact monocular redefines scaled-down dimensions with its 3" x 1" x 1" (approx.) size and 1.6 ounce weight.  It's not only smaller in size, it also has microscopic ability with its 10" close focus distance.

You can literally have the Carson monocular in your pocket at all times and even forget it's there.  Low vision reading, hiking, sight-seeing, and camping are all great uses for this small device, but we wouldn't say it's good enough for tactical or hunting use.

With various issues reported including focusing difficulty, it's a relief to know you're buying from a trusted brand.  Carson customer service reaches out to the masses about any issues they may have, and we can attest to the quality of their customer care.

The CloseUp, as its name suggests, is an excellent low vision monocular for getting up close and personal for microscopic views.  For that reason alone and the fact that it's so darn cheap, it's more than worth the buy.

13. Archeer 16x52 – Best Under $20

Archeer 16x52

The Archeer 16x52 is a big monocular at a small price point of under $20. While its specs are indeed big, there’s only so much a budget monocular can offer. Best suited to recreational use, it offers magnified seeing for casual observation and activities.

Pros:

  • High power
  • Large objective lens
  • BAK-4 glass
  • Lightweight
  • Fog/waterproof

Cons:

  • Not 16x

The Archeer 16x52 monocular is not actually as big as it claims to be. While the 16x magnification sounds enticing, its performance is closer to 10x. The specs are of interest because it claims a 5.2mm exit pupil which would in fact be right for a 52mm lens with 10x magnification. Despite claims, it’s not a zoom optic but a fixed power one.

It does not have dual focus in the sense of course and fine adjustments. Separating fact from hype, it has an adjustable diopter to focus your dominant eye to help correct for vision problems without use of glasses or contacts. The focus ring is then used to focus the image while observing at various distances.

There is plenty of hype in the description but there are notable features worth pointing out. The monocular has a roof prism design made from BaK-4 glass with FMC coatings. The housing has also been fitted with rubber armor. These are foundational features that builds a basic but decent optic.

It’s also waterproof and nitrogen-purged for internal protection from condensation. It’s lightweight at 12.3 oz and approximately 6” long. With what is assumed to be 10x power, it’s still a high-powered monocular and will require steady hands for best performance. It does not have a tripod screw for maximum image stability.

The Archeer monocular comes with a neck lanyard and carry case. For an optic under $20, it’s a budget buy for entry-level performance. Not suited for any sort of extended glassing or professional use, but it will perform for casual observation.

14. Firefield Siege 10X50 Review - Best Monoculars for Stargazing

Firefield Siege 10X50 monocular
Image Credit: Firefield

Firefield is a busy brand that has been working tirelessly to manufacture high-quality optics for a fair price.  They're typically geared towards everything tactical, but they’re also known as an established brand in the night vision hunting world.  While the Siege monocular isn't a night vision monocular, it is an optic that we say would be a great asset for stargazing.  It's not a device that's not well-known, but we recognize its quality and benefits it brings to the field and open skies.

Pros:

  • Price
  • Smartphone capability
  • High power
  • BaK-4 glass
  • Weatherproof

Cons:

  • No buyer history

The 10x50 specs of the Siege monocular provides long-range viewing, no matter the distance, for longer periods of time.  It's a high powered, large aperture monocular that can keep you out later as dusk approaches.  This is an excellent feature for hunters and law enforcement/military that need the cover of twilight to stalk their prey.

As far as stargazing goes, the high power is worth the sacrifice in field of view when you have a darker background and increased detail when finding constellations, double stars, and vast galaxies.  While it can be tripod mounted for an extra steady image, it’s the lightweight and compact size that gives it an edge over 10x50 binoculars.  It's small enough to be taken along anywhere without fuss.

Hiking and stargazing with the Siege monocular is right up its alley.  Again, it's high-powered enough to see crags and pathways during the day and celestial bodies at night.  With BaK-4 prism glass, you have a rounded exit pupil of 5mm that is better than the squarish appearance of BK7 glass.

Fully multi-coated optics help to transmit as much light as possible through the mini scope to the eyepiece.  A retractable eyepiece is definitely a bonus feature to see on a monocular this cheap.

While we've rebranded the Siege monocular as an excellent, small instrument for stargazing, it has the same great specs and features to be out when deer and villains are most active.  As a multi-purpose monocular, the Firefield optic has won us over.

What to Look For in a Good Monocular

The obvious features relate to size.  It must be small enough to be portable and convenient, but it should have usable specs that make it a worthwhile optic.

Whether you need a monocular for travel, hunting, surveillance, or just to read the text on a billboard, you'll need to keep some main features and considerations in mind.

Size/Weight:

The best monocular will be inherently compact and lightweight optics.  This is their primary benefit as they are excellent portable and handheld devices. 

Larger and heavier monoculars will weigh in around 16 ounces and more, and they can even rival compact spotting scopes in size.

  However, the most compact monoculars can be as slim as a pen and no longer than your index finger, but many will range around 8 ounces in weight and 4-5" in height.

MonocularLengthWeight
Maven CM.1 8x325.1 inches8.7 oz
Roxant Grip Scope5.5 inches7.8 oz
Emarth Tech Zoom 10-30x508 inches15.7 oz
Bushnell Legend Ultra HD5.4 inches13.2 oz
Leica Monovid 8x203.8 inches (4.13 inches with close-focus lens)4 oz (4.4 oz with close-focus lens)
Vortex Solo 10x254.4 inches5.6 oz
Vortex Solo R/T5.4 inches10.2 oz
Zeiss Mono 6x18 T*3.7 inches2 oz
Carson BlackWave5.0 inches4.3 oz
Vortex Recce Pro HD 8x326.18 inches11 oz
Gosky Titan 12x505 inches14 oz
Carson CloseUp 6x183 inches1.6 oz
Archeer 16x526.3 inches12.3 oz
Firefield Siege 10x506.2 inches15.2 oz
Monocular Length & Weight Comparisons

Optical Quality:

There are a lot less moving components and glass elements in a monocular versus scopes and binoculars, but a monocular still requires attention to optical quality. 

While high-end monoculars are rare, the best will have ED/HD elements, specialized prism coatings, and protective external coatings. 

Monoculars worth buying should have nothing less than fully multi-coated optics as it is easily affordable and should be considered standard quality.

MonocularGlass & CoatingsPrism
Maven CM.1 8x32ED Glass, Fully Multi-CoastedSchmidt-Pechan with Dielectric Prism Coatings
Roxant Grip ScopeHD Glass, Fully Multi-CoatedBAK-4 Green Film Prism
Emarth Tech Zoom 10-30x50Fully Multi-CoatedBAK-4 Porro Prism
Bushnell Legend Ultra HDED Prime Glass, Fully Multi-CoatedBaK-4 Roof Prism
Leica Monovid 8x20German Glass, Fully Multi-CoatedRoof Prism with Phase Correction Coating
Vortex Solo 10x25Fully Multi-CoatedRoof Prism
Vortex Solo R/TFully Multi-CoatedRoof Prism
Zeiss Mono 6x18 T*Zeiss T* CoatingSchmidt-Pechan Roof Prism
Carson BlackWaveFully CoatedBK7 Roof Prism
Vortex Recce Pro HD 8x32HD Glass, Fully Multi-CoatedUndisclosed
Gosky Titan 12x50Fully-Multi CoatedBAK-4 Roof Prism
Carson CloseUp 6x18Fully CoatedK-9 Prism
Archeer 16x52Fully CoatedBAK-4 Roof Prism
Firefield Siege 10x50Fully Multi-CoatedBAK-4 Roof Prism
Monocular Glass, Coatings & Prism Type Comparisons

Eyecups:

The type of eyecup or lack of one on your monocular may not seem like a big deal until you try to use it.  Because monoculars are small, some manufacturers don't install a retractable eyecup at all.  This is unfortunate. 

Eye comfort and relief have a lot to do with the type of eyecup.  Twist-up/retractable is the best.

MonocularEyecup TypeDetails
Maven CM.1 8x32Twist-up Eyecups4 Multi-Click Positions, snug for glasses wearers.
Roxant Grip ScopeTwist-up EyecupsGood with or without glasses
Emarth Tech Zoom MonocularFolding EyecupsTypically not as comfortable to use
Bushnell Legend Ultra HDTwist-up EyecupsGood with or without glasses
Leica MonovidSliding EyecupsSuitable for use with or without glasses
Vortex SoloAdjustable EyecupGood with or without glasses
Vortex Solo R/TAdjustable EyecupGood with or without glasses
Zeiss Mono T*Folding EyecupsTypically not as comfortable to use
Carson BlackWaveAdjustable EyecupShort eye relief may create problems for glasses wearers
Vortex Recce Pro HDFolding EyecupsTypically not as comfortable to use
Gosky TitanTwist-up EyecupsGood with or without glasses
Carson CloseUpNo eyecupMay make bright light viewing difficult
Archeer 16x52No eyecupMay make bright light viewing difficult
Firefield SiegeTwist-up EyecupsGood with or without glasses
Monocular Eyecup Comparisons

Eye Relief:

If you can't see the entire field of view, you may not have enough eye relief.  Forgiving eye relief is around 20 mm and is ideal.  15 mm is desirable at minimum for those who wear glasses.

Field of View:

Field of view is the measured distance of an area you can see through the monocular at a given distance which is usually 1000 m/1000 yards.  Lower power monoculars will have the widest field of views (aperture must also be considered).  180 yards is very high for a monocular.  100-140 yards is good and is standard.

MonocularEye ReliefField of ViewClose Focus Distance
Maven CM.114.9 mm393 ft/1000 yds12 ft
Roxant Grip Scope20 mm180 m @ 1000 m8-9 ft
Emarth Tech Zoom 10-30x5015.4-19.5 mm71-35 m @ 1000 mUnspecified
Bushnell Legend Ultra HD15.2 mm340 ft @ 1000 yds6.5 ft (2 m)
Leica Monovid 8x2015 mm110 m @ 1000 m1.8 m / 25-30 cm with close focus lens
Vortex Solo 10x2514.5 mm315 ft @ 1000 yds16.4 ft
Vortex Solo R/T18 mm393 ft @ 1000 yds16.4 ft
Zeiss Mono 6x18 T*15 mm120 m @ 1000 yds30 cm
Carson BlackWave12 mm273 ft @ 1000 yds4 ft
Vortex Recce Pro HD 8x3214.5 mm400 ft @ 1000 yds5 ft
Gosky Titan 12x5017 mm289 ft @ 1000 ydsUnspecified
Carson CloseUp 6x1810 mm150 ft @ 1000 yds10 inches
Archeer 16x52UnspecifiedUnspecifiedUnspecified
Firefield Siege 10x5015.4 mm367 ft @ 1000 yds13 ft
Monocular Eye Relief, Field of View & Close Focus Distance Comparisons

Magnification/Power:

High power means you can see more, but it's only effective if you have a steady hand or are able to mount to a tripod to stabilize the image.  10-12x is the high end for a monocular.  You will also sacrifice field of view.

Low power monoculars are between 5-8x.  They have wider field of views, but some 5x and 6x models are often combined with small apertures of 18-25mm which reduces overall brightness as they're more suited for inside use, low vision, and magnifying benefits.

MonocularMagnificationObjective Lens Diameter
Maven CM.18x32 mm
Roxant Grip Scope6x42 mm
Emarth Tech Zoom Monocular10-30x50 mm
Bushnell Legend Ultra HD10x42 mm
Leica Monovid8x20 mm
Vortex Solo10x25 mm
Vortex Solo R/T8x32 mm
Zeiss Mono T*6x18 mm
Carson BlackWave10x25 mm
Vortex Recce Pro HD8x32 mm
Gosky Titan12x50 mm
Carson CloseUp6x18 mm
Archeer 16x5210x5.2 mm
Firefield Siege10x50 mm
Monocular Magnification & Objective Lens Diameter Comparisons

Monoculars VS Binoculars:

The debate between which is better is endless as it's completely subjective.  While a monocular is essentially just one barrel of a binocular, they have different advantages to a user.  Primarily, a monocular is easier to use as you only have one barrel to focus and look through.  It's also much more compact and lightweight than a bino.  For the same specs and quality, monoculars are also cheaper.

Activity-Specific:

Buying the most appropriate monocular for your needs means being activity specific.  A high-powered, large aperture monocular may be great for hunting or wildlife observation but would not work well for someone using it to magnify text while reading.

Some specialized monoculars may be more weatherproof and durable for outdoor or combat use, and others may have reticles to aid tactical and shooting scenarios.  However, monoculars make great all-purpose optics for many observation activities.

ActivityOur Recommended MonocularPrice Range
Birding/Hunting/TacticalMaven CM.1Approx. $150
Camping/BirdingRoxant Grip ScopeUnder $50
Range UseBushnell 10x42 Legend Ultra HDUnder $200
SurveillanceLeica Monovid 8x42Under $500
HuntingVortex Solo 10x25Under $100
Target ShootingVortex Solo R/TUnder $150
Use with SmartphoneGosky Titan 12x50Under $100
Low vision readingCarson CloseUp 6x18Under $20
Short-range UseCarson BlackWaveUnder $50
StargazingFirefield Siege 10x50Under $100
Activity Specific Monocular Recommendations

Monoculars Are Small But Mighty!

The monocular is one of those small instruments that everyone forgets about until they need the convenience of big benefits in little things.  They are extremely helpful for multiple situations you will inevitably find yourself in, be it travel, enjoying the outdoors, or even stargazing.

Don't underestimate the power or convenience of having the right monocular for your intended purposes.  They may be small, but they make all the difference in the world.

Don't leave your eyes naked and unaided!

Further Reading

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