Roof Prism Binoculars

8x21 10x25

Model : BD 2231
Magnification : 10x
Obj.lensr : 25 mm
Field Angle : 5.5°
Product description: The 10x25 Compact Binoculars feature a redesigned housing that gives them a sleek and stylish design that is still comfortable to hold for viewing sporting events, backpacking, hiking, general natur
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Key Features
● Lead and Arsenic-Free Eco-Glass
● Compact Roof Prism Design
● Antireflection Multicoated Optics
● Closed-Bridge Configuration
● Center Focus Wheel
● Fold-Down Rubber Eyecups
● Compact and Lightweight Design
Overview
The 10x25 Compact Binoculars feature a redesigned housing that gives them a sleek and stylish design that is still comfortable to hold for viewing sporting events, backpacking, hiking, general nature viewing, and sightseeing. The new design features diamond-textured palm pads that provide positive.
Optical Performance

● Ideal for outdoor activities like hiking and bird watching, viewing sporting events and concerts, or general nature watching or sightseeing
● BK7 roof prisms maintain a compact form factor for easier handling
● Anti-reflection fully coated optics help to improve light transmission to keep views bright and clear and boost contrast and clarity
● Spacious 288-foot field of view at 1000 yards allows users to see large areas without having to move their head very much

Construction Details
● Subdued black color won't stand out in the forest or around civilization, or draw attention when you're using them
● Corrosion-proof plastic housing
● Rubberized ergonomic chassis design offers a comfortable and slip-resistant grip
● Compact design
● weight 175 g
Performance

Model	BD 2231	BD 2231
Specification	8x21mm	10x25mm
Magnification	8x	10x
Objective Lens Diameter	21 mm	25 mm
Angle of View	7.5°	5.5°
Field of View	131 m @ 1000 m	96 m @ 1000 m
Field of View	393ft @1000 yd	288ft @1000 yd
Minimum Focus Distance	16.4 ft/ 5 m	16.4 ft/ 5 m
Exit Pupil	2.6 mm	2.5 mm
Eye Relief	11 mm	11 mm
Diopter Adjustment	Yes / ±4	Yes / ±4
Focus Type	Center	Center
Prism Type	Roof (BK7)	Roof (BK7)
Lens Coating	Fully Multi	Fully Multi
Eyecups	Fold-Down	Fold-Down
Waterproof	No	No
Weight	150 g	170 g
Minimum Size	61x36x91 mm	64x38x113 mm
Maximum Size	103X33X91 mm	106x33x113 mm