Question about Sigma AF 70-300mm f/4.0-5.6 DL Macro Super Lens for Canon-EOS
Posted by Anonymous on
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Posted on Jan 02, 2017
To NOT get that error you need to use in AV mode. It's the only way that old Sigmas work with the new Canons. It's an aperture bug that old Sigma lens have and some the only way to fix it is to rechip it. The problem is that Sigma no longer rechips the lens.
Posted on Jul 03, 2009
it may not be compatable with digtal camers to test set camera to AV get a iris of F22 using the stopdpwn button see if it stops down if yes it is compatable but faulty if nothing it not compat and need rechiping
Posted on Aug 08, 2009
It is asking you to clean the electronic points on the lens that come into contact with the camera body when the two are fitted together, in order to power the lens functions.
If other lens work ok, try giving the lens electronic contact point on the mounting plate a light rub with a dry cotton-bud, may be a fingerprint .
Posted on Oct 14, 2009
cleaning the contacts did nothing for me. what ended up fixing it was turning the camera to AV mode and setting to the highest f value. (f22) and then taking a picture. after that i was able to change it to what ever and resume as normal. hoping i dont see that error again.
Posted on May 02, 2010
Simply clean your camera lens contacts
Here is a tutorial , how to clean your camera lens contacts
Good luck and regards
Posted on Sep 29, 2011
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