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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 |
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Topcon ATG series


