The MR 14EX attaches directly to teh EF 50 f2.5 Compact Macro, EF 100 Macro USM (and non USM). However it requires adaptor 72C to fit on the EF 180 f3.5L. For users of the 180 and MR 14, do you notice any vignetting when using the MR 14EX on the 180L?

Alex

-- Alex Yap (hashigou@yahoo.com), July 01, 2001