Roof Prism Binoculars
8x21 10x25
- Model : BD 2231
- Magnification : 8x
- Obj.lensr : 21 mm
- Field Angle : 7.5°
- Product description: The 8x21 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
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 8x21 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
● Powerful 10x magnification allows for detailed observations of distant objects
● 21mm objectives gather more light than smaller-objective models, ensuring the optical tubes are thin to maintain a slim form factor
● Compact roof prism light path keeps the optical tubes thin for easy handling
● Antireflection multicoated optics maximize light transmission while improving color rendition, contrast, and clarity
● Ecologically friendly Eco-glass is responsibly sourced and made without using lead or arsenic
● 393ft field of view at 1000 yards
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 150 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 |
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Contact Us
Contact: Daniel Pang
Phone: 852-2602 0733
Tel: 852-2602 0715
E-mail: danniel@bci.imsbiz.com.hk
Add: Rm 9,8/F,Goldfield Ind Centre, No.1 Sui Wo Road,Fo Tan,N.T.Hong Kong