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Type | NTDS20 | NTDS24 | NTDS28 | NTDS32 | |
Telescope | Erect | ||||
Zoom out | 20X | 24X | 28x | 32x | |
Objective Lens Aperture | 30mm | 40mm | |||
Field of view | 1°30' | ||||
The mix Stadia | 0.5m | ||||
Stadia Ratio | 100 | ||||
Stadia Constant | 0 | ||||
Work Range | ±12' | ||||
Accuracy | ±0.5'' | ±0.4'' | ±0.3'' | ||
Blister Precision | 8'/2mm | ||||
Diagraph on scale | 1° or 1gon | ||||
Standard error per male | 2.5mm | 2.0mm | 1.5mm | 1.0mm | |
Weight | 1.3kg | ||||
The size of Triple | M16 or 5/8'' |