Thread: Vixen 140 Refractor
View Single Post
  #5  
Old 29-12-2015, 05:12 AM
Don Pensack's Avatar
Don Pensack
Registered User

Don Pensack is offline 		 
Join Date: Aug 2006
Location: Los Angeles
Posts: 538
It's a 4-element Petzval design, similar to, but larger than, the TeleVue NP101 and NP127.
Reply With Quote