Description
- 65 x 65 mm x 3 mm Baader S-II Narrowband Filter – Precision Grade
- 6.5 nm FWHM, recommended for optical systems from f/10 to f/3.5
- Reflex-Blocker™ hard coated and plane optically polished – with sealed coating edges (Life-Coat™)
- Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim
- Optimized for modern CMOS cameras, but excellent for CCD camera technologies




