View Single Post
  #5  
Old 18-07-2010, 05:06 AM
luigi
Registered User

luigi is offline
 
Join Date: Jun 2010
Posts: 438
Without tracking the 135mm will be good for exposures up to 5'' aprox. So you definitevely need F2 I don't own a 135 and I don't know about Comma and CA wide open but it's a very very nice lens.
Reply With Quote