1. Optical test apparatus
2. Parallel light pipe
3. DSCG30-220 large parallel light pipe

          

apertue	angle of viewfield	measurement precision	using environment
Φ220mm	±15°	Within 0°～±5°≤1′ Within ±5°～±10° ≤1.5′ Within ±10°～±15°≤2′	-55℃～70℃