Light Pollution Reduction Filters
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Top Highlights
- 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
- 2mm-Thick
- Leatherette Pouch
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LEDs
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
- H-K9L Optical Glass Construction
- Nano Coating
- Aluminum-Alloy Filter Ring
- 82mm Front Filter Threads
- Plastic Case
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LEDs
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
- H-K9L Optical Glass Construction
- Nano Coating
- Aluminum-Alloy Filter Ring
- 77mm Front Filter Threads
- Plastic Case
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Multi-Coated
- Nano Coating
- Aluminum Alloy Filter Ring
- Plastic Case
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Slim, Aluminum-Alloy Filter Ring
- 67mm Front Filter Threads
- Knurled Sides
- Plastic Case
Special Order
Top Highlights
- 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
- 2mm-Thick
- Leatherette Pouch
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Slim, Aluminum-Alloy Filter Ring
- 72mm Front Filter Threads
- Knurled Sides
- Plastic Case
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Slim, Aluminum-Alloy Filter Ring
- 77mm Front Filter Threads
- Knurled Sides
- Plastic Case
Special Order
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Multi-Coated
- Nano Coating
- Aluminum Alloy Filter Ring
- Plastic Case
In Stock
You can only compare up to 4 items.
Remove items from bar below to add more.
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Multi-Coated
- Nano Coating
- Aluminum Alloy Filter Ring
- Plastic Case
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Slim, Aluminum-Alloy Filter Ring
- 52mm Front Filter Threads
- Knurled Sides
- Plastic Case
Special Order
You can only compare up to 4 items.
Remove items from bar below to add more.
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Multi-Coated
- Nano Coating
- Aluminum Alloy Filter Ring
- Plastic Case
In Stock
Special Order
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Slim, Aluminum-Alloy Filter Ring
- 58mm Front Filter Threads
- Knurled Sides
- Plastic Case
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Slim, Aluminum-Alloy Filter Ring
- 82mm Front Filter Threads
- Knurled Sides
- Plastic Case
Special Order
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Multi-Coated
- Nano Coating
- Aluminum Alloy Filter Ring
- Plastic Case
In Stock
You can only compare up to 4 items.
Remove items from bar below to add more.
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Plastic Case
More on the Way
You can only compare up to 4 items.
Remove items from bar below to add more.
Top Highlights
- For NiSi M75 Filter Holder
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LEDs
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
- H-K9L Optical Glass Construction
- Nano Coating
- Padded Pouch
In Stock
You can only compare up to 4 items.
Remove items from bar below to add more.
Top Highlights
- Reduces Light Pollution in Night Sky
- Absorbs Yellow Sodium-Vapor Light
- 1.25x Filter Factor, +0.3 Stop
- Optical Glass Construction
- Multi-Coated
- Nano Coating
- Aluminum Alloy Filter Ring
- Plastic Case
In Stock
Special Order
Top Highlights
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LEDs
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
- H-K9L Optical Glass Construction
- Nano Coating
- Aluminum-Alloy Filter Ring
- 52mm Front Filter Threads
- Plastic Case
Special Order
Top Highlights
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LEDs
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
- H-K9L Optical Glass Construction
- Nano Coating
- Aluminum-Alloy Filter Ring
- 62mm Front Filter Threads
- Plastic Case
Special Order
Top Highlights
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LEDs
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
- H-K9L Optical Glass Construction
- Nano Coating
- Aluminum-Alloy Filter Ring
- 67mm Front Filter Threads
- Plastic Case
In Stock
Top Highlights
- Reduces Light Pollution in Night Sky
- Blocks Yellow Sodium-Vapor Light
- Blocks Yellow Mercury-Vapor Light
- Blocks Yellow Light from Low CRI LEDs
- 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
- H-K9L Optical Glass Construction
- Nano Coating
- Aluminum-Alloy Filter Ring
- 95mm Front Filter Threads
- Plastic Case
In Stock
