APM offers you a comprehensive selection of different telescopes for every requirement and budget. We can offer you various mirror telescopes, refractors and catadioptric telescopes, from a simple entry-level telescope to a 1.5m observatory telescope.
This long focal ratio flatfield apochromat support 60 mm image circle and does not need calculations for backfocus. If the image is sharp, the field is flat.
130 mm aperture, 1000 mm focal length, f/7.7
Petzval like, self flattening design with two ED elements
3.4" dual speed focuser
2" and 1.25" receptacles, M68, M54 and M48 threads
ONTC Newtonian Telescopes from Teleskop Service are a unique system on the marketYou choose the components and the bias of your telescope and get a Newtonian without compromises for reaching your astronomical goals
This 2-element SD is a truly perfect telescope for the ultimate in wide-field observing. The stars are absolutely pinpoint, as only an well corrected apochromatic refractor can produce.