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 Ultra-Cat 131 · 30th Anniversary Limited Edition is an instrument for those who not only want to observe, but also want to hold history in their hands. This anniversary model combines the technical maturity of three decades of William Optics development with an aesthetic that will make collectors' hearts beat faster. The combination of a five-element Petzval design, Super ED glass and precise mechanical workmanship makes it one of the most powerful compact astrographs in its class
6608.00 €6277.60 €
Estimated delivery time : 3-4 weeks (valid for new orders)
Apochromatic refractor AP 130/780 LZOS 3.7-ZTA OTA
Our LZOS Super ED 3-lens models come with a test report, meaning that each lens is individually measured using a Twymann interferometer and recorded with the serial number of the lens.
Maximum Strehl ratio (as with the Zeiss APQ) is guaranteed to be 95% or better.
Residual chromatic aberration optimized to a minimum.