Optolong L-eXtreme Dual 7nm Ha/OIII Narrowband Filter - 2" Diagonals 25" Binoviewers package out there

25" Binoviewers package out there

5 inch heavy-duty stainless steel tripod (5kg)

It attaches directly to the SCT threads on the rear cell of the telescope or similar telescope

8x reducer can bring the Askar 120APO's focal ratio down to f/5

This Celestron 12-36x 60 mm LandScout Spotting Scope with Smartphone Adapter features a rugged

Optolong L-eXtreme Dual 7nm Ha/OIII Narrowband Filter - 2" Diagonals 25" Binoviewers package out thereThe L eXtreme filter from Optolong is 7nm dual band in that passes Ha and OIII emission lines. The advantage of the L eXtreme filter over the L eNhance, which is a tri band filter, is that there are no transmission between the H beta and OIII lines, as there is no nebula emission lines there. In this case, it isn't letting light pollution come through so that maximizes a nebula's signal and makes the sky background darker while imaging. The L eXtreme