Filter · MSRP $79
Optolong IR Pass 685 1.25"
Key specifications
| Filter type | Other |
|---|---|
| Passband | >685 nm (IR pass) |
| Filter size | 1.25" |
| Mounted | Yes |
About
IR-pass 685 nm long-pass planetary filter blocking wavelengths below 670 nm, for IR-LRGB imaging with a sharper luminance channel under poor seeing; 1.25-inch mounted.