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Contact Us
- Contact Person : Mr. Zhang Zongyang
- Company Name : Nanjing Sifang Survey Instrument Co., Ltd.
- Tel : 86-025-83765979
- Fax : 86-025-83362839
- Address : Jiangsu,Nanjing,Room-716, Center Road, Nr-417, Nanjing Pioneer Square, Nanjing, Jiangsu, China
- Country/Region : China
- Zip : 210012
Topcon ATG series
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mode | AT-G1 | AT-G2 | AT-G3 | AT-6 | |
binoculars | |||||
tube length（mm） | 229 | 229 | 230 | 193 | |
image | erect image | erect image | erect image | erect image | |
magnification | 32× | 32× | 30× | 24× | |
objective aperture（mm） | 45 | 45 | 40 | 30 | |
relative brightness | 1.98 | 1.98 | 1.78 | 1.56 | |
field of view | 1°20′ | 1°20′ | 1°30′ | 1°30′ | |
resolution | 2.5″ | 2.5″ | 3.0″ | 4.0″ | |
shortest distance（m） | 1.0 | 1.0 | 0.5 | 0.5 | |
plus constant sight | 0 | 0 | 0 | 0 | |
by constant sight | 100 | 100 | 100 | 100 | |
sensitivity | 8′ | 8′ | 8′ | 8′ | |
anping accuracy | ±0.3″ | ±0.3″ | ±0.3″ | ±0.3″ | |
compensation range | ±15′ | ±15′ | ±15′ | ±15′ | |
Without optical micrometer （mm） | ±0.7 | ±0.7 | ±1.5 | ±2.0 | |
With optical micrometer （mm） | 0.4 | 0.4 | 1.0 | - | |
diameter（mm） | 90 | 117 | 117 | 117 | |
smallest partition | 10′ | 1° | 1° | 1° | |
instrument（kg） | 2.1 | 1.8 | 1.8 | 1.6 | |
plastic box | 1.3 | 1.3 | 1.3 | 1.3 | |
waterproof | |||||
Topcon ATG series