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Lenses
Telephoto
Sigma 500mm 4.5 lens
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<blockquote data-quote="tripod123" data-source="post: 460189" data-attributes="member: 39234"><p>I have a Sigma 500mm 4.5 EX DG lens that I have always used with a Sigma 1.4 EX DG teleconverter that used to auto focus perfect. I sent it to Sigma in New York after years of service. When I received it back it would not auto focus with the converter. I called Sigma and was told it was not sopposed to auto focus with a teleconverter. I have never heard of this every where I look and hear people are using converters with 500mm 4.5 with auto focus. HELP</p></blockquote><p></p>
[QUOTE="tripod123, post: 460189, member: 39234"] I have a Sigma 500mm 4.5 EX DG lens that I have always used with a Sigma 1.4 EX DG teleconverter that used to auto focus perfect. I sent it to Sigma in New York after years of service. When I received it back it would not auto focus with the converter. I called Sigma and was told it was not sopposed to auto focus with a teleconverter. I have never heard of this every where I look and hear people are using converters with 500mm 4.5 with auto focus. HELP [/QUOTE]
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Lenses
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Sigma 500mm 4.5 lens
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