NiSi 4 x 5.65" Natural-Night Cinema Filter
SKU
4897045103645
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LED's
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
- H-K9L Optical Glass Construction
- Nano Coating
- 4mm-Thick
- Leatherette Pouch