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Filter Diameter
NiSi Natural Night Filter (77mm)
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapour Light
- Blocks Yellow Mercury-Vapour Light
- Blocks Yellow Light from Low CRI LEDs
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
In Stock with supplier
Usually ships in 4 - 5 working days
what does this mean?
You Pay:
$289.00
IRIX Edge Light Pollution Filter (77mm)
- Eliminate Yellow Haze
- Super Resistant (SR) Optical Glass
- Improve Overall Sharpness and Contrast
Usually ships in 4 - 6 weeks
what does this mean?
You Pay:
$189.00