Top Pick
Top Pick
Who it's for
- Superior Light Pollution Suppression
- Complete SHO Imaging Capability
- High Optical Quality and Transmission
Who should skip it
- Requires Extended Exposure Times
- Unmounted Filter Format
- High Initial Investment Cost
Key Specs
Bandpass
6.5nm
Bandpass
7nm
Filter Thickness
2mm
Filter Type
H Alpha
Filter Type
OIII
Filter Type
SII
Shape
Round
Size
36mm
Material
Glass
Accessory Type
Filter
Still have a question?
Ask Metto anything about the Optolong Telescope Filter before you decide.