Special Application Filters
NiSi Natural Night Filter (55mm)
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapour Light
- Blocks Yellow Mercury-Vapour Light
- Blocks Yellow Light from Low CRI LEDs
- 2x Filter Factor, 1-Stop Correction
- H-K9L Optical Glass Construction
In stock
Ships direct tomorrow
You Pay:
$189.00