I currently use
The Samyang 135 is excellent. The Askar introduced me to the delights of getting backfocus nailed and dealing with blue bloat, although I think I have this sorted out now.
For a longer reach I've been considering the following, for use with the D5600 cropped sensor:
Redcat 51 petzval (but the spotty QC is putting me off, as returning scopes from KSA is a major undertaking)
Vixen FL55 SS with flattener/reducer (I think this is a perfect match for the Fornax, there are some very nice Astrobin examples taken with this, and I don't mind paying for good quality, but I'm not sure if
TS 70mm F5 quad flatfield
TS PhotoLine 60 mm
TS 62 mm
For my particular circumstances, I'd prefer to buy once and have a scope I can keep for a while, with no real
I welcome the views from the more experienced star gazers here, given the above