Optolong L-eXtreme Dual Band 1.25 Nebula Filter 20366 Storage Relative Humidity: 20%—95%

Storage Relative Humidity: 20%—95%

and the eyepiece will be firmly fixed

the L-eXtreme will be a good filter

EN 1836:2005 + A1:2007 (E) for an E15 Filter for the Direct Observation of the Sun and

just screw directly to the top of your Hyperion eyepiece to utilise the external M55 threads on this adapter

Optolong L-eXtreme Dual Band 1.25 Nebula Filter 20366 Storage Relative Humidity: 20%—95%Optolong L eXtreme Dual Band 1. 25 Nebula Filter Features 1. 25" low profile filter cell suitable for filter drawers, filter wheels with 1,25" 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