Chroma Filters
Best precision optical filter for serious astrophotographers and dedicated stargazers.
These filters bring a level of optical precision that turns decent captures into professional-grade images. You are trading off universal compatibility for a specialized, parfocal design that demands a slower telescope system but rewards you with unmatched clarity and sharpness.
$130.00
Who it's for
- Photographers protecting valuable glass from harsh outdoor elements
- Purists demanding absolute image fidelity and color accuracy
- Field shooters needing quick, stress-free maintenance on the go
Who should skip it
- Modern camera users requiring standard industry filter sizes
- Landscape photographers frequently shooting directly into bright light sources
- Wide-angle lens users concerned about potential vignetting issues
Performance breakdown
Optical Clarity
Precision engineering ensures minimal light scatter for crisp, high-contrast celestial views.
Parfocal Consistency
Maintains focus across your filter wheel for seamless, efficient imaging sessions.
Surface Precision
Exceptional wavefront quality prevents image distortion during long-exposure astrophotography.
Build Durability
Robust American construction stands up to frequent handling in the field.
Light Transmission
Maximizes photon capture to keep your deep-sky images bright and detailed.
Alignment Accuracy
High parallelism prevents internal reflections and ghosting in your optical train.
Key Specs
Size
31mm
Filter Type
Clear
Shape
Round
Parallelism
less than 30 arcsec
Transmitted wavefront
better than 0.25 waves/inch
Parfocal compatibility
systems f/4.0 or slower
Material
Glass
Accessory Type
Filter
Telescope Compatibility
Refractor, Reflector, Schmidt-Cassegrain, Maksutov-Cassegrain, Dobsonian
Know before you buy
Still have a question?
Ask Metto anything about the Chroma Filters before you decide.
