Top Pick
Top Pick
Who it's for
- Exceptional Contrast and Light Pollution Rejection
- Superior Optical Quality and Transmission
- Enhanced Detail in Nebulae Structures
Who should skip it
- Premium Price Point
- Requires Extended Exposure Times
- Limited Target Versatility
Key Specs
Filter Type
OIII
Filter Diameter
50mm
Material
Optical Glass
Shape
Round
Parfocal for systems f/4.0 or slower
Transmitted wavefront better than 0.25 waves/inch
Parallelism
less than 30 arcsec
Polarization Percentage
0.0%
Still have a question?
Ask Metto anything about the Chroma OIII Narrowband Filter before you decide.
