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.
The William Optics GT 81 apo stands for optimal chromatic correction and best possible contrast - a powerful travel telescope for observation and photography.
Aperture 81 mm
Focal length 480 mm
Focal ratio f/5.9
Multicoated FPL53 triplet lens with air gap
2.5" RAP focuser with M63x1 connection thread, as well as 2" and 1.25
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
Innovative and revolutionary William Optics design combines precise internal focusing with the highest quality optics available to create the ultimate apochromatic refractor for astrophotography
FPL53 Triplet Lens
Aperture 81 mm, focal length 480 mm
Internal focusing prevents image shift and vignetting
Saddle bar handle for mounting the guiding telescope