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Conk
22nd of July 2004 (Thu), 23:35
I picked up a Tamron AF Tele-Converter 2x C-AF BBAR MC-7. I heard that using it on anything more than a 200mm causes concern for chromatic aberration.
Any thoughts on this?

scottbergerphoto
23rd of July 2004 (Fri), 13:48
In general 2x teleconverters cost you 2 stops of light, and reduce the quality of the image regardless of the lens you use. If you have no choice, use it.
Scott