Sigma 85 1.4 and teleconverter?

Started Dec 30, 2010 | Discussions thread
Erik Bailey
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Re: Sigma 85 1.4 and teleconverter?
In reply to AustinROB, Dec 30, 2010

AustinROB wrote:

Is there a 1.4 or 1.5 teleconverter that I can use with my Sigma 85 1.4 and Canon 50D that will allow the lens to opperate "properly" (i know that it will lose light, but i would like for all the other features, such as the autofocus and the aperature to still work automatically). Thanks!

My Kenko 1.4x works on my Sigma 85 1.4, but interestingly enough doesn't seem to report its existence. It still shows as 85mm f/1.4, rather than 119mm and whatever one stop down from f/1.4 is (f/1.8?). Slows down AF, but overall works fine (although not quite as well as it works on my 70-200 f/4 IS). Haven't taken any keeper shots with the combo, so nothing I can share - sorry! --Erik

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Canon EOS 7D Canon EF-S 17-55mm f/2.8 IS USM Sigma 120-300mm F2.8 EX DG OS HSM Canon EF 70-200mm f/4L IS USM Sigma 85mm F1.4 EX DG HSM +1 more
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