Baader Planetarium Colour Filter Yellow
Key specifications
| Filter type | Other |
|---|---|
| Passband | Yellow, >495 nm (≅ W12) |
| Mounted | Yes |
About
A fine-optically polished yellow planetary colour filter (≅ Wratten 12, 495 nm long-pass) with 7-layer Phantom Group AR coating on both sides, mounted in a blackened aluminium cell; also usable as a clear-blue-blocking (CBB) filter for exoplanet photometry. Sold in 1¼" and 2".