Quote:
Originally Posted by Waxing_Gibbous
Ah!
Unless someone has built a new type, you can't use the original FD / EOS adapter for astrophotography as you loose infinity focus. Also, the original adapter was meant for use with 300mm+ telephotos and would probably be no use anyway, giving poor results at best 
Would be interested to know how you modified your 50mm tho! |
Um .... that's incorrect .... I use a FD-EOS (EF) adapter and I can reach sharp focus at infinity .
Or are you talking about the Canon branded adapter (that''s as scarce as hen's teeth) and costs a fortune if you find one (on Ebay or in shop somewhere).