good quality
Model | DSZ3 | DSZ2 |
Standard Deviation for 1 Km double Run Leveling | 1.5mm | 1.0mm |
Image | Erect | Erect |
Magnification | 28x | 32x |
Objective Aperture | 40mm | 45mm |
Field of View | 1° 30′ | 1° 30′ |
Minimum Focus | 0.6m | 0.6m |
Multiplication Constant | 100 | 100 |
Additive Constant | 0 | 0 |
Compensator Range | ±15′ | ±15′ |
Compensator Setting Accuracy | ±0.4″ | ±0.3″ |
Sensitivity of Bubble | 8′/2mm | 8′/2mm |
Horiz.circle-reading | 1° or 1gon | 1° or 1gon |