chrysoberyl 6D Mar 31, 2014 1,079 185 73 Center of my universe Nov 13, 2017 #1 Nov 13, 2017 Add bookmark #1 I am aware that the Sigma 180mm macro is not listed as compatible with this teleconverter, but has anyone tried it? If yes, how badly is IQ degraded? ••• More options Report Add bookmark Share
I am aware that the Sigma 180mm macro is not listed as compatible with this teleconverter, but has anyone tried it? If yes, how badly is IQ degraded?