Filter · 2025– · MSRP $309
Optolong L-Synergy 2"
Key specifications
| Filter type | Narrowband |
|---|---|
| Passband | OIII 500.7 nm + SII 672.4 nm |
| Bandwidth | 7 nm |
| Filter size | 2" |
| Mounted | Yes |
About
Dual 7 nm SII and OIII narrowband filter for color cameras, meant to pair with an Ha/OIII filter for Hubble-palette style images; optimized against bright-star halos, for systems f/3.3 or slower. 2-inch (M48x0.75).