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Photography Q&A
Sigma Macro lenses
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<blockquote data-quote="pforsell" data-source="post: 704123" data-attributes="member: 7240"><p>I know the Sigma HSM 150mm f/2.8 Macro is a fine lens (the non-OS version). But it has been discontinued now and replaced. (Note, 150 not 105. I know nothing of the various 105mm versions).</p><p></p><p><strong>Be sure to test the off-brand lens on your camera before making the purchase.</strong> They have a very nasty habit of having firmware compatibility problems. Often autofocus doesn't work. Sometimes LiveView doesn't work with an off-brand lens. There's even reports of picture review not working while a Sigma lens is attached to the camera (that is Sigma 17-70 lens, if I remember correctly).</p><p></p><p>Sometimes the lens can be sent back to Sigma for firmware update to make it work with newer bodies. The update is often free or low cost, but you must pay postage and shipping both ways. Sometimes the lens cannot be updated to full working condition at all.</p><p></p><p>After you have tested the lens on your camera and all works to your satisfaction, I'd say why not. Make sure it autofocuses correctly, the lens elements are free of fungus (look through the lens against a bright light, if there are gray or white "veins", RUN), aperture blades are snappy and oil free, manual focusing is silent and smooth, lens elements clear of scratches, fogging etc.</p></blockquote><p></p>
[QUOTE="pforsell, post: 704123, member: 7240"] I know the Sigma HSM 150mm f/2.8 Macro is a fine lens (the non-OS version). But it has been discontinued now and replaced. (Note, 150 not 105. I know nothing of the various 105mm versions). [B]Be sure to test the off-brand lens on your camera before making the purchase.[/B] They have a very nasty habit of having firmware compatibility problems. Often autofocus doesn't work. Sometimes LiveView doesn't work with an off-brand lens. There's even reports of picture review not working while a Sigma lens is attached to the camera (that is Sigma 17-70 lens, if I remember correctly). Sometimes the lens can be sent back to Sigma for firmware update to make it work with newer bodies. The update is often free or low cost, but you must pay postage and shipping both ways. Sometimes the lens cannot be updated to full working condition at all. After you have tested the lens on your camera and all works to your satisfaction, I'd say why not. Make sure it autofocuses correctly, the lens elements are free of fungus (look through the lens against a bright light, if there are gray or white "veins", RUN), aperture blades are snappy and oil free, manual focusing is silent and smooth, lens elements clear of scratches, fogging etc. [/QUOTE]
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