Barska 7-21X40mm Reverse Colorado Binoculars Porro Zoom Blue Lens

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7-21x40 Colorado Binoculars By Barska

The 7-21x40 Colorado Zoom Binoculars utilize the unique porro prism setup to create a compact design for larger 40mm objective lenses. The powerful 7-21x zoom allows the user to either view a wide landscape scene or zoom in on a specific object for more detail. A durable rubber finish provides protection from impact and also serves as a comfortable gripping surface. The 7-21x40mm Colorado Binoculars from Barska include a neck strap and a soft carrying case.


7-21x Zoom Magnification
40mm Large Objective lens
Fold down eye cups
Center Focus Knob
Reverse Porro Prism
Includes Lens Covers, Neck Strap and Soft Carrying Case
Focus System Center
Prism Type Reverse Porro
Prism Glass BK-7
Magnification (Zoom) 7x-21x
Close Focus (ft/m) 10ft/3m
Eye Relief 14mm
Objective Lens 40mm
Exit Pupil 5.5mm
Field of View (ft@1000yds/m@1000m) 90ft@1000yds/27.4m@1000m
Diopter Right Eye
Optical Coating Fully Coated
Waterproof Resistant
Tripod Adaptable Yes
Product Weight 27.2 oz.
Outer Size 5.5in x 5.9in x 2.88in
Finish Black Matte
Included Accessories Carrying Case, Neck Strap, Lens Covers and Lens Cloth