MPCC III V-1 coma corrector 2" SET, visual and photographic edition, consisting of: 2" coma corrector Mark III photographic #2458400A, eyepiece clamp 1¼" on T-2 with rotary focusing (T2 #08A) #2458125 and VariLock 29 lockable T-2 extension sleeve 20-29mm with tension wrench (T2 #25Y) #2956929