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Dorr Alpina LX Porro Prism 20x50 Binoculars has a large centre focus wheel and retractable eyecups for eyeglass wearers and a solid rubber armour - this for additional comfort when viewing through the optics. The Alpina LX features MC (Multi Coated) optics and BAK-7 prisms, this means no reflection when viewing rich contrasts. Includes a 1/4" tripod socket and a carry case.
Optical characteristics | |
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Type of build: | Porro |
Magnification: | 20 x |
Minimum focusing distance (m): | 10 |
Objective lense diameter (mm): | 50 |
Relative brightness: | 6.3 |
Optical coatings: | Multiple |
Glass material: | BAK-7 |
Field of view | |
Field of view at 1,000 m (m): | 61 |
Twilight factor: | 31.6 |
Field of view (degrees): | 3.8 |
General | |
Dimensions (L x W x H), (mm): | 170 x 185 x 65 |
Series: | Danubia Alpina LX |
Body material: | Metal / plastic |
Weight (kg): | 0.789 |
Body armouring: | Rubber |
Warranty: | 2 years |
Included accessories | |
Carrying bag: | Yes |
Area of application | |
Astronomy: | Very good |