Here is serial number 95298 which I bought from Augustus and received Saturday. My first sharp telescope was a C90 spotter back in 1983 or so when a Roger Tuthill wanted a Star Trap 4.25” RFT back which I had bought from one of his sons who was renting a room in a house nearby. I...
C90 1000mm F11 MAKSUTOV TELESCOPE SN 93787 Corrector #7032 [image flipped horizontally] Accessories: Orange Crosshair Finder 5x24mm ( Japan(-) ) Yellow rubber thread cap Black Objective cover Rectangular carry case with handle Black (Telephoto Lens configuration) no finder or caps ...
在线看Amazing Celestron C90 Mak Maksutov-Cassegrain.. 16分钟 39秒。26 10月 2020的高清视频,VK免费视频库免注册! 1 — 已浏览。
Schmidt optics also have a reliability issue in that the corrector is easy to break. This is why the military use Maksutov optics. The thick corrector in a Mak is mechanically much more robust and you can launch them into space or place on the back of huge gun and they can take the sh...