Optolong L-eXtreme Dual Band 1.25 Nebula Filter 20366 just screw directly to the

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

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

the L-eXtreme will be a good filter

As SkyPortal WiFi Module slews your telescope to an object

5cm - 152cm

Optolong L-eXtreme Dual Band 1.25 Nebula Filter 20366 just screw directly to theOptolong 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