astro.n-minus

Filter

Baader Planetarium H-alpha Narrowband-Filter (6.5nm) – CMOS-optimized

Key specifications

Filter typeNarrowband
PassbandH-alpha
Bandwidth6.5 nm

About

A CMOS-optimized 6.5 nm FWHM H-alpha narrowband filter (Precision Grade) for optical systems slower than f/3.4, with Reflex-Blocker hard coatings, sealed coating edges and blackened edges; not for solar use.