Optisan Cobra 10X42
This compact, green, rubberised Cobra 10x42 binoculars are great for things like bird spotting or watching panoramas during your holiday. With its large, enclosed "twist-up" eyepieces the viewer is very handy for eyeglass wearers as well. Typical of this type of binoculars is the quiet, pleasant image that it provides. The lenses of the Optisan Cobra 10X42 have a beautiful green multi-coating.
Specifications and accessories



John, London | Wednesday August 17 2011 at 05:14 PM | Usefulness: 18 out of 38 | a few days in possession
Very good binoculars
Superb magnification
Ease of use unsurpassed. I can recommend these binoculars to anyone who wants high quality at an affordable price.
I mainly use them in the outdoors, while bird spotting etc.
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| General | ||
|---|---|---|
| Type | roof binoculars | |
| Brand | Optisan | |
| Series | Cobra | |
| Guarantee | 2 years | |
| Colour | green | |
| Waterproof | ![]() | |
| Dimensions | 6,1024×5×2,0866″ | |
| Dimensions & Weight | ||
| Weight | 623 gram | |
| Optics | ||
| Lens diameter | 42 mm | |
| Magnification | 10× | |
| Exit pupil | 4,2 mm | |
| Minimum focus distance | 5 m | |
| Twilight factor | 20,5 | |
| Light intensity | 17,6 | |
| Field of view at 1000 metres | 105 m | |
| Lens coating | Multi-coated (MC) | |
| Glass material | BaK-4 | |
| Dioptric adjustment | ![]() | |
| Dioptric adjustment range | ± 5 | |