Top Pick
Top Pick
Who it's for
- Exceptional Signal Isolation
- Superior Coating Technology
- Excellent Optical Flatness
Who should skip it
- Premium Price Point
- Requires Long Exposure Times
- Unmounted Handling Complexity
Key Specs
Filter Type
H Alpha
Bandwidth
8nm
Size
36mm
Shape
Round
Parfocal for systems f/4.0 or slower
Transmitted wavefront better than 0.25 waves/inch
Parallelism
less than 30 arcsec
Material
Glass
Connection Interface
2 inch
Accessory Type
Filter
Still have a question?
Ask Metto anything about the Chroma H-Alpha Narrowband Filters before you decide.