Baader UHC-L / Ultra-L Booster Nebula Filter
Best high contrast filter for urban backyard astronomers.
This is the essential upgrade for anyone battling the harsh glare of modern city lighting. By specifically targeting LED interference while preserving natural star colors, it transforms washed-out skies into high-contrast canvases. You sacrifice a bit of light transmission for significantly sharper, cleaner views of deep-sky objects.
$119.00
at
Agena AstroProducts
Who it's for
- Urban astronomers seeking clearer views from light-polluted backyards
- Visual observers who value realistic star colors alongside nebula detail
- Astrophotographers using sensitive CMOS cameras for deep-sky imaging
Who should skip it
- Budget-conscious hobbyists looking for the most affordable light pollution solution
- Serious nebula hunters requiring extreme contrast for very faint targets
- Deep-sky observers primarily focused on viewing distant galaxies and clusters
Performance breakdown
LED Suppression
Specifically targets and neutralizes harsh blue wavelengths from modern street lighting.
Contrast Enhancement
Significantly darkens the background sky to make faint nebulae pop vividly.
Optical Clarity
Plane-optically polished glass ensures zero distortion during high-magnification visual observation.
Artifact Control
Reflex-Blocker coatings effectively minimize distracting halos around bright stars.
Build Durability
Life-Coat hard coating withstands frequent cleaning without degrading optical performance.
Imaging Versatility
Performs equally well for both casual visual astronomy and deep-sky photography.
Key Specs
Filter Size
1.25 inches
Filter Type
Nebula
Barrel Diameter
1.25 inches
Weight
0.13 lbs
Material
Glass
Coating
Reflex-Blocker hard coated, dielectrically coated
Mounting
Mounted
Accessory Type
Filter
Connection Interface
1.25 inch
Know before you buy
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Ask Metto anything about the Baader UHC-L / Ultra-L Booster Nebula Filter before you decide.
