Top Pick
Top Pick
Who it's for
- Superior Light Pollution Rejection
- High Contrast Nebulae Imaging
- Excellent Optical Quality and Value
Who should skip it
- Limited Target Versatility
- Demands Extended Exposure Times
- Not Suitable for True Color Imaging
Key Specs
Filter Type
H Alpha
Bandpass
7nm
Filter Shape
Round
Mounting Type
Screw-in
Filter Diameter
50.8 mm
Filter Thickness
2.0 mm
Still have a question?
Ask Metto anything about the Optolong H-Alpha Filter before you decide.
