Telescope: Imaging: Real Image; Field of View: 1°30′
Objective lens effective aperture: Φ45mm   Resolution: 3"
Magnification: 30× * Near Vision Distance: 1.0m
Range Measurement: Precision Measurement: 1.2S, Tracking: 0.5S
Accuracy: ±(2mm + 2×10)-6·D)
Measurement Range: RTS102R5L: 500m/Prism-Free; 800m/Reflective Sheet; 5,000m/Single Prism
RTS102L: 5000m/each prism
Angle Measurement: Measuring Method: Encoder (Disk Diameter: 79mm)
Angular Accuracy: 2"
Compensator: Compensation Range: ±3′
Power Supply: Operating Voltage: 7.4V DC (Rechargeable Lithium-ion Battery)
Operating Hours: Continuous Range/Angle Measurement: ≥ 10 hours
Other: Display: 6-line dot-matrix LCD display on both sides
Keyboard: Full numeric keypad
Communication: RS-232C/USB/SD Card Copy
Memory: 120,000 points, hot-pluggable SD card
Waterproof, dustproof: IP66