http://rcopticalsystems.com/16inch.html
圖中紅色的那個"RCOS Precision Instrument Rotator (PIR)"...is it a field de-rotator??? As paramount dun hv polar scope, although i "believe" that it will hv its own high precision alignment method...why need rotator then?? 我才疏學淺,不明所意lor....
Rotator??
誰在線上
正在瀏覽這個版面的使用者:沒有註冊會員 和 12 位訪客