Cemented Prism
Payment Terms: L/C,T/T
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Effective focal length (EFL) common difference: ±2%
Diameter tolerance: +0/-0.18
Central thickness common difference: ±0.25
Surface quality: Three levels
Surface roughness: 5/2×1/2 wave length @ 546.1nm
Central deviation: 2 minute
Design wave length: 486.1nm, 587.6nm, 656.3nm
Material: BK7,rank A optical glass