Fred <[EMAIL PROTECTED]> wrote: >> I've used them both, in the proper sequence, on the 600mm for 1176mm! > >Yes, the sequence is ~very~ important - if you put the TC on the >~front~ of the 600, you get some really serious vignetting - <vbg>.
I believe he meant the sequence of the two teleconverters. You can't put the 'L' teleconverter behind the 'S' teleconverter because of the snout. -- Mark Roberts Photography and writing www.robertstech.com
