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Telescopes

Offer type: salePublished: 12.06.2013
Seller:Tsubera Mihail Sergeevich
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Address:Russian Federation, Moskovskaya Oblast'
"Telescopes STM-20x50, ST-30? 50.
Designed for the observation of remote objects, wildlife and visual assessment arrows-athletes holes in the targets.
Main technical data and characteristics
1. The increase in pipe:
STM-20x50 - (20±1) times;
ST-30? 50 - (30±1) times.
2. Angular field of vision of the pipes:
STM-20x50 - (2,500 ± 0,125) degrees;
ST-30? 50 - (1,700 ± 0,125) degrees.
3. The limits of the resolution in the center of the field of view of the pipe:
STM-20x50 - 3,5"";
ST-30? 50 - 5,2"".
4. The minimum distance of the observations to each of the tubes 25 PM
5. Light the lens diameter of each of the pipes 50 PM
6. The limits of the diopter setting of the eyepiece tubes:
STM-20x50 - from minus 7 to plus 17 diopters;
ST-30? 50 - from minus 7 to plus 18 diopters.
7. The operating temperature range of pipes from minus 15 to plus 40°C.
8. Relative humidity up to 98% at 25°C.
9. The dimensions of the pipe, not more than:
STM-20x50:
diameter - 60mm;
length extended working condition - mm;
length when folded - 280mm.
ST-30? 50:
the diameter 61mm;
length extended working condition - 460mm;
length when folded - 265mm.
10. The pipe weight, not more than:
STM-20x50 - 0.5 kg;
ST-30? 50 - 0,7 kg"