>>> 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. Yes, I know - I just couldn't resist the "wisecrack" - <g>. (Sorry.) Fred
