Baader UHC-S L-Booster Filter T Adapter 7mm and 50

7mm and 50

You’ll be able to track through long exposures using permanently programmable periodic error correction

Combines with the (planeoptically polished) BAADER Infrared Cut-Filter

Drastically improves contrast for all reflector telescopes

5% (optically polished)

Baader UHC-S L-Booster Filter T Adapter 7mm and 50Premium deep sky nebula filter from Baader Planetarium. Optically polished. The Baader UHC S manages to improve on the contrast of the typical broadband or so called "Deep Sky" filters. Sky background is darker, and contrast of emission nebulae are noticeably improved, the high transmission, sharp cutoffs, and more moderate 60nm passband of the Baader UHC S filter retains a more natural view, yet significantly boosts overall contrast. A common