BAADER UHC-L / ULTRA-L-BOOSTER FILTER ERF The AstroSolar Safety Film is

The AstroSolar Safety Film is suitable for safe solar observation and photography and is available in a huge range of sizes to fit almost all telescopes

Bottom dovetail 3” Losmandy slide (#10M2130) with special drilling

The ASI 533MC has a maximum QE of 80%

the RMS spot size at the edge of the field (not just on-axis) is an astounding 3

BAADER UHC-L / ULTRA-L-BOOSTER FILTER ERF The AstroSolar Safety Film isThe new Baader UHC L Ultra High Contrast filter is a dual bandpass visual and photographic filter designed to block light pollution and increase the contrast of emission nebulae and cometary C2 emission lines. The high transmission results in a much brighter image than other UHC filters. The passbands centre around the OIII & H alpha lines making this a wide dual band filter without changing the star colours. This new version is optimized to reject