Binocular - B.2 - 11x45


The Maven B.2 Binocular is a purpose-built optic for those who demand superior low-light performance. For those seeking that perfect balance between magnification and low-light gathering capabilities, the B.2 features an Abbe-Koenig prism and an optical field flattener to take advantage of every ounce of light and is specifically designed to handle early morning, late evening, and dimly-lit situations. As with the entire B Series line-up, the B.2 also features tack-sharp edge-to-edge clarity and a silky focus mechanism.

The Maven B Series represents our elite line of optics, designed to fit your specific needs, delivered for a fraction of comparable binoculars’ costs and stacks up with the most celebrated and expensive binoculars in the world. Our modern sportsman-inspired designs are paired with the best available materials and state of the art technology to create an uncompromising optic. 

Includes neoprene neck strap, lens caps and double-layered microfiber storage bag.

-Premium Model
-Size: 7.1 in.
-Weight: 33.3 oz.
-Extra-low Dispersion ED Glass
-Waterproof and Fog Proof
-Fully Multi-Coated Lenses 
-Field Flattening Optical System
-Exceptionally Clear, Bright, High Contrast Image
-Excellent Color Fidelity
-Tripod Adaptable
-Lifetime Warranty

Binocular Comparison Chart (PDF)
Binocular Manual (PDF)

Obj. lens diameter45mm
Exit pupil5mm4.1mm
Field of View (FOV)

Apparent FOV (FOV x Power)

Field of view (ft/1000 yds)377314
Light transmission (%)93.70%94.80%
Twilight factor20.122.2
Multi Position Eyecups Y/NYes
Eye relief17.3mm16.7mm
Near focus4.9ft4.9ft
Eye width adjustment56~75mm


Dimension WxHxD5.7x7.1x2.1

Weight33.25 oz33.25 oz
Lens constr. obj.3 groups 4 elements (ED)
3 groups 4 elements (ED)
Lens constr. ocular5 groups 6 elements4 groups 6 elements
Prisms typeAbbe-Koenig

Prism reflective coating typeN/A

Phase Correction CoatingN/AN/A
ED glassYesYes
Lens coatingScratch and Oil Resistant
Scratch and Oil Resistant
Diopter correction (dpt)+/-4
Pressure tested to what pressure1m for 30 min. (IPX7)

1m for 30 min. (IPX7)
Storage temperature

Functional temperature

Frame materialMagnesium
Internal gas purgedNitrogen
Tripod Adaptable Y/NYesYes
OriginJapanese components assembled in the US
Japanese components assembled in the US

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