| SPECIFICATIONS |
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Telescope
| Model | AT-G1 | AT-G2 | AT-G3 | AT-G4 | AT-G6 | AT-G7 |
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| Length (mm/in.) | 229/9 | 229/9 | 230/9 | 192/7.7 | 193/7.7 | 204/8 |
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| Image | Erect | Erect | Erect | Erect | Erect | Erect |
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| Magnification | 32´ | 32´ | 30´ | 26´ | 24´ | 22´ |
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| Objective lens (mm/in.) | 45/1.8 | 45/1.8 | 40/1.6 | 30/1.2 | 30/1.2 | 30/1.2 |
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| Relative brightness | 1.98 | 1.98 | 1.78 | 1.33 | 1.56 | 1.86 |
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| Field of view | 1°20¢ | 1°20¢ | 1°30¢ | 1°30¢ | 1°30¢ | 1°30¢ |
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| Resolving power | 2.5² | 2.5² | 3.0² | 3.5² | 4.0² | 4.0² |
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| Minimum focus (m/ft.) | 1.0/3.2 | 1.0/3.2 | 0.5/1.6 | 0.5/1.6 | 0.5/1.6 | 0.9/2.9 |
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| Stadia constant (m) | 0 | 0 | 0 | 0 | 0 | 0.1 |
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| Stadia ratio | 100 | 100 | 100 | 100 | 100 | 100 |
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| Circular Level |
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| Sensitivity (/2mm) | 8¢ | 8¢ | 8¢ | 8¢ | 8¢ | 10¢ |
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| Automatic Leveling |
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| Setting accuracy | ±0.3² | ±0.3² | ±0.3² | ±0.3² | ±0.3² | ±0.5² |
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| Compensating range | ±15¢ | ±15¢ | ±15¢ | ±15¢ | ±15¢ | ±10¢ |
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| Accuracy at 30m/100ft |
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| w/o optical micrometer (mm/in.) | — | — | — | ±2.0/±0.08 | ±2.0/±0.08 | ±2.5/±0.1 |
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| Accuracy 1km Double Run Level |
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| w/o optical micrometer (mm/in.) | ±0.7/±0.03 | ±0.7/±0.03 | ±1.5/±0.06 | ±2.0/±0.08 | ±2.0/±0.08 | ±2.5/±0.1 |
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| with optical micrometer (mm/in.) | ±0.4/±0.02 | ±0.4/±0.02 | ±1.0/±0.04 | — | — | — |
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| Horizontal Circle |
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| Dimameter (mm/in.) | 90/3.5 | 117/4.7 | 117/4.7 | 117/4.7 | 117/4.7 | 102/4.0 |
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| Minimum division | 10¢(0.1g) | 1°(1g) | 1°(1g) | 1°(1g) | 1°(1g) | 1°(1g) |
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| Weight |
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| Instrument (kgs./lbs.) | 2.1/4.6 | 1.8/4.1 | 1.8/4.1 | 1.6/3.5 | 1.6/3.5 | 1.2/2.6 |
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| Plastic carrying case (kgs./lbs.) | 1.3/2.9 | 1.3/2.9 | 1.3/2.9 | 1.3/2.9 | 1.3/2.9 | 1.2/2.6 |
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| · Designs and specifications herein are subject to change without notice. |
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| In order to obtain the best results with this instrument,
please be sure to review all user instructions prior to operation. |
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| Important |
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