View Single Post
  #98  
Old 12-01-2014, 03:51 PM
allan gould's Avatar
allan gould
Registered User

allan gould is offline
 
Join Date: May 2005
Location: Brisbane
Posts: 4,483
Quote:
Originally Posted by RickS View Post
The CF tube offers no improvement in focus stability anyway, Allan. I have one and the primary mirror cell and the spider assembly are bolted to each end of the full length metal dovetails. I think the CF tube is mostly there to look cool

Cheers,
Rick.
I wouuld have to agree Rick. So far as I have been able to assertain the weight difference between the 12" aluminium tube and the CF tube is between 1-2 Kg. Worthwhile but not extreme.
Allan
Reply With Quote