Astronomik UHC-E 2" (M48)
Key specifications
| Filter type | Light Pollution |
|---|---|
| Passband | 465-530nm + above 645nm |
| Bandwidth | 45 nm |
| Filter size | 2" |
| Mounted | Yes |
About
A wider-passband companion to the UHC, aimed at emission nebulae and comets under light-polluted skies with telescopes up to 5" of aperture. Its 45 nm FWHM passes more starlight than the UHC while still blocking typical streetlight emissions and airglow. 2" M48 mount.