Converter help please.
Probably a silly question,but i have the Canon 2x TC and i use it with both the 70-200L f2.8 IS USM and the 100-400L on either the 20D or the MKllN, with either tripod or a monopod, but still i find i have unsatisfactory images, (slight blur) nothing horrific but its there, i was wondering if its the 2x converter and is the 2X "ll" a much better optic?
My main subjects are wildlife, bird shots,either static or in flight.
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