Hello I use a 70D with a EF 100 to 400L IS and am considering purchasing a teleconverter, because I am soon to visit Mozambique for about a month and would like some super close up shots. I also have a 6D with a smaller lens, I am not over keen on swopping lenses too often having got dust etc into a previous camera. I am aware there are now Mk 111 teleconverters so what is the advantage over the previous Mk 11 as they are obviously cheaper.
Thanks in anticipation.
Thanks in anticipation.
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