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Barska 10x40 Monocular with BK7 Prism Glass, Green Lens

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List Price: $100.00

Barska 10x40 Monocular: Picture 1 regular $39.89

About Barska 10x40 Monocular

The Barska 10x40 Blackhawk Monocular is ideal for all outdoor activities thanks to its all-weather conditions design. The Barska 10x40 Fogproof Blackhawk Monocular w/ Green Lens has an O-ring sealed for complete waterproof protection, dryimage nitrogen purged, sealed to prevent fogging, clouding and moisture damage. The Barska 10x40 Blackhawk Monocular w/ BK-7 Prism has multi coated optics for increased clarity, BAK-4 or BK-7 prisms for crisp images and large knurled center focus knob for precise focusing. The Barska 10x40 Waterproof Blackhawk Monocular comes complete with a non-slip, diamond textured rubber design for a secure grip and shock-absorbing rubber armor.

Barska 10x40 Monocular Features

  • O-ring sealed for complete waterproof protection
  • Dry nitrogen- purged and sealed to prevent fogging, clouding and moisture damage
  • Multi coated optics for increased clarity
  • BAK-4 or BK-7 prisms for crisp images
  • Large knurled center focus knob for precise focusing
  • Non-slip diamond textured rubber design for a secure grip
  • Shock-absorbing rubber armor
  • Ideal for all outdoor activities in all-weather conditions

Barska 10x40 Monocular Specifications

Objective Lens
Prism type
Prism Glass
Exit Pupil
Optical Coating
Multi Coated
Focusing System
Field of View (ft at 1000yds/m at 1000m)
Close Focus (ft/m)
13' / 3.9m
Eye Relief
4.8oz / 136g
Mfr #

Barska 10x40 Monocular Reviews Powered by TurnTo®

Reviewed by 1 customers


Monoc Defective; Adorama Great


The first monocular Barka shipped was defective. The eyepiece would tighten onto the monocular body only so far and then immediately loosen, like the threads were stripped. The Adorama customer service specialist was very responsive and quickly sent a prepaid return shipping label to send the old one back and receive a replacement. So, thank you to Adorama and Beth for that! The monocular itself has good light-gathering ability with its 40mm objective lens and good field of view when compared with the 10x25 it replaced. The lens quality is good, if not great. Images are reasonably clear and crisp for the price. While this monoducular costs 2-3 times the least expensive available, it's not to be compared too closely with top of the line monoculars from Barska or other leading brands. It's still a lower-tiered product. This is a good birding and wildlife-watching tool. It's also ideal for getting visually closer to still objects in landscapes or vistas you're enjoying while you're out and about. Works well out the window too. I should note that this unit is heavier than many in its class. I was hoping the extra weight would be due to higher quality lenses. That might account for part of it, but most of it is due to the body, which I believe is coated steel. If you want outstanding quality and performance in your next monocular, you'll probably need to spend $200+. If you want adequate quality and performance that is more affordable, this unit should work, provided you don't get a defective one. The good news is, however, if the one you're shipped is bad, Adorama will make sure the issue is resolved in a timely manner. I chose the "recommend" option, but I only do so with the caveats mentioned here: The first one was bad and, by no means, is this intended to be a world-class monocular.

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