Chinese Binoculars Manufacturer and Exporter since 1998
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Mobile: +86-139-8763-8789
+86-159-1155-8707
Email: ochang@binocularschina.com kunmingyuan@binocularschina.com
Add：No.50, Puzhao Road, Kunyang Town, Jinning County, Kunming, Yunnan, China
Roof prism binoculars are more compact and look more in-fashion than the porro prism ones. However, due to its structure of the prisms, light loss through roof prism are more than the porro one. Also, technically, it's more difficult to manufacture the roof prism binoculars with the decent quality and so it usually costs more to buy the quality roof prism binoculars.
We offer the roof prism binoculars from 25 to 42 mm and the available models are 8x25,10x25, 8x32, 10x32, 8x42 and 10x42 models.
Model
8x25 WP
10x25 WP
8x32
10x32
8x42 WP
10x42 WP
Objective size
25 mm
32 mm
42 mm
Magnification
8x
10x
Focus system
Center
Prism
Roof / BK7
Roof / BAK4
Coating
Fully Broadband Multi-coated
Field of view at 1000m
123 m
112 m
108 m
102 m
133 m
106 m
Angle of View
7º
6.4º
6.1º
5.8º
7.5º
Exit Pupil distance
20 mm
16 mm
18 mm
15 mm
Exit pupil diameter
4 mm
3.8 mm
5.4 mm
4.2 mm
Inter-pupil distance
58-72 mm
56-74 mm
Minimum focus distance
2 m
4 m
Waterproof
Yes
No
Net weight
360 g
370 g
660 g
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