if you use tubes do you lose auto focus?
dbiggs Member 218 posts Joined Jul 2005 Location: Pickering,Ontario,Canada More info | Oct 26, 2006 11:42 | #1 if you use tubes do you lose auto focus? EOS 20D
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Billginthekeys Billy the kid  7,359 posts Likes: 2 Joined Nov 2005 Location: Islamorada, FL More info | Oct 26, 2006 11:46 | #2 no. but it slows down, and hunts a lot in lower light. its a better idea to MF for macro shots anyway. but yes it will keep AF Mr. the Kid.
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Jon Cream of the Crop  69,628 posts Likes: 227 Joined Jun 2004 Location: Bethesda, MD USA More info | Oct 26, 2006 11:48 | #3 Depends on the tubes. Some cheap ones don't carry all the camera's signal lines forward to the lens. Kenko's will AF. Jon
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DoubleNegative *sniffles*  10,533 posts Likes: 11 Joined Mar 2006 Location: New York, USA More info | Oct 26, 2006 12:05 | #4 Nope. Not with the Kenko tubes I use, at least. La Vida Leica!
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JaGWiRE Goldmember 3,859 posts Joined Sep 2006 More info | Oct 26, 2006 12:06 | #5 Billginthekeys wrote in post #2172197  no. but it slows down, and hunts a lot in lower light. its a better idea to MF for macro shots anyway. but yes it will keep AF If you get a 1:1 dedicated macro like the 100mm f2.8 Canon, is it okay to use autofocus? I'm an AF junky (very very rarely use manual focus). Canon EOS 30D, Sigma 30 1.4, Sigma 10-20, Sigma 105 Macro, 135L, 430ex, Lowepro Mini Trekker AW, Manfrotto 3001pro w/486rc2 and 804rc2 head, Manfrotto 681 w/ 3232 head.
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Billginthekeys Billy the kid 7,359 posts Likes: 2 Joined Nov 2005 Location: Islamorada, FL More info | Oct 26, 2006 12:09 | #6 JaGWiRE wrote in post #2172283 If you get a 1:1 dedicated macro like the 100mm f2.8 Canon, is it okay to use autofocus? I'm an AF junky (very very rarely use manual focus). well you see its just that the DoF is SO THIN at macro distances, that the slightest different in the focus means the target is in or out of focus, even stopped down. even on a dedicated lens its best to use MF. its just a different ballgame in macro world. Mr. the Kid.
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