Features
1. Tilting knob can fix the prism angle
2. Great vertical axis by high accurated machining
3. High reflection rate by aluminium coated prism
4. Un-foggy by aluminium coating on prism and sealed structure
Features
1. Tilting knob can fix the prism angle
2. Great vertical axis by high accurated machining
3. High reflection rate by aluminium coated prism
4. Un-foggy by aluminium coating on prism and sealed structure
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