I am ready to order the spider and secondary holder for my 18" f4.5 project. The two choices I see are Protostar and Astrosystems. Which is the better spider? Which one is the easiest to use? Is there a big weight difference? Are there other companies I have not looked at?
More Spiders
Started by Vince, 06/24/2006 01:39PM
Posted 06/24/2006 01:39PM
Opening Post
Funding Member
