My PixInsight Tutorial
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Quote:By focus unit, I presume you mean the focuser? The one included with the telescopes (Crayford 2" 10:1 dual-speed focuser) has 2-3/4" (70mm) travel according to the specs.So the focuser is part of the back focus distance too? That was one other thing I wasn't sure about, where the back focus distance is measured from. Judging from your comment, it's measured from the focuser
Clear skies - Jim Crazy PNW imager !
A-P Mach1 on 12" concrete pier - ROR structure.
Tak FSQ85-EDX, Tak FS-128. Orion 8" f/3.9 w/MoonLite motorized - MPCC MkIII CCD:
SBIG 8300M/FW8, Astrodon 36mm LRGB, 5nm Ha, 3nm SII, OIII - Canon EOS 6D unmod SSI3, SSAG,
Skytools3pro, MaxImDLpro, PSCS5, PSPpro, TheSkyX, TheSky6, BYE, StarTools
Orion XX14g -for visual- diags, ep's, accy tubes, Binocs .