Top Pick
Top Pick
Who it's for
- Exceptional Optical Quality
- Superior Contrast Enhancement
- Robust Coating and Longevity
Who should skip it
- Premium Price Point
- Extended Exposure Requirements
- Sensitivity to Fast Optics (F-Ratio)
Key Specs
Filter Type
SII
Bandwidth
8nm
Size
50mm
Connection Interface
2 inch
Material
Glass
Parfocal for systems f/4.0 or slower
Transmitted wavefront better than 0.25 waves/inch
Parallelism
less than 30 arcsec
Still have a question?
Ask Metto anything about the Chroma SII Narrowband Filter before you decide.