Hi all,
1st time poster here. I'm interested in a good value/performance refractor of approx 4"' aperture and wondered if there's any recommendations available in Australia other than f/9 doublets that are ~90cm long and triplets.
I'd prefer something well below 90cm in retracted length and for the $ I'm interested in what well performing doublets there might be. I'm not completely disregarding triplets but I'm a beginner and would intend to use it visually at first.
I may dabble in photography down the track (I wouldn't have the mount for astro initially). If a good shortish ~4" aperture doublet is not a realistic proposition I could start out with one of the 80mm units from various brands or a used scope but I've read some appealing feedback on these units from overseas suppliers:
TS Optics Doublet SD APO 102mm f/7
Astro Tech AT102ed 4" f/7
Altair StarWave 102 ED f/7
Do we have similar here? Thanks for any suggestions
