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H&Y Filters KPN07 95mm Drop-In Anti-Pollution Night Filter for K-Series Holder
Key Features
- Fits K-Series Holder Only
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- Absorbs Mercury-Vapor Light
- Blocks Light from Low-CRI LEDs
- Schott B270 Glass Construction
- Double-Sided Coating
- 9-Layer Multi-Coating