Optolong L-eXtreme Dual Band 2 Inch Nebula Filter altazimuth Lowest Useful Magnification: 18 x

Lowest Useful Magnification: 18 x

The Baader UHC-S manages to improve on the contrast of the typical broadband or so-called "Deep Sky" filters

Quiet operation

Requires 2 x AA Batteries (not supplied)

Optolong L-eXtreme Dual Band 2 Inch Nebula Filter altazimuth Lowest Useful Magnification: 18 xOptolong L eXtreme Dual Band 2 Inch Nebula Filter Features 2" low profile filter cell suitable for filter drawers, filter wheels with 2" filter thread The filter has a very narrow bandwidth of only 7 nm for O III and H Alpha and provides a very high contrast The areas of light pollution are completely blocked, so successful deep sky photography is also possible from close to the city The filter is suitable for mono and color cameras H Alpha regions,