Chroma LRGB & H-alpha Filter
Best filter set for serious deep-sky astrophotography enthusiasts.
This narrowband filter is engineered for serious astrophotography, isolating the specific hydrogen-alpha emission line to cut through light pollution. By narrowing the bandwidth to just 3nm, it delivers exceptional contrast and reveals intricate structural details in emission nebulae that would otherwise be lost in the background glow.
$1280.00
at
Astroshop
Who it's for
- Astrophotographers demanding maximum light transmission and zero ghosting
- Deep-sky imagers shooting nebulae from light-polluted urban areas
- Serious observers needing parfocal filters for efficient imaging workflows
Who should skip it
- Budget-conscious hobbyists seeking entry-level equipment
- Owners of smaller sensor cameras using compact filter wheels
- Beginners intimidated by complex post-processing and calibration workflows
Performance breakdown
Optical Precision
Wavefront quality ensures minimal distortion for the sharpest possible deep-sky images.
Parfocal Consistency
Maintains focus across the set, saving valuable time during long imaging sessions.
H-alpha Selectivity
The 8nm bandpass effectively isolates nebular detail while suppressing unwanted light pollution.
Manufacturing Standards
Rigorous parallelism specs guarantee reliable performance across high-end telescope systems.
System Compatibility
Optimized for f/4.0 or slower, making them ideal for most standard setups.
Build Durability
American-made construction offers long-term reliability for demanding astrophotography environments.
Key Specs
Filter Type
LRGB and H-Alpha
Filter Diameter
50 mm
Bandpass
8 nm
Compatibility
Systems f/4.0 or slower
Parallelism
<30 arcsec
Wavefront Quality
>0.25 waves/inch
Country of Origin
USA
Still have a question?
Ask Metto anything about the Chroma LRGB & H-alpha Filter before you decide.
