Auto lense stopped working. other lenses work fine EOS 5D
I've had a ef 50mm1:1.4 lense for my Canon EOS 5D sinse august and it has worked fine. Suddenly it stopped working. using the the automatic setting...when I push the button to take the picture nothing happens. I did take a few photos in the cold air yesterday at about 36degrees and it seemd to work fine. When I use a different lense on it works fine.
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Re: Auto lense stopped working. other lenses work fine...
Try cleaning the contacts on the lens. Use a clean pencil eraser and hold the lens upside down so that the eraser debris falls onto the table and not into the lens. If this doesn't fix the problem then you need to have the lens repaired.
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If the Sigma lens mount is a Canon FD fitting then you can get an adapter FD to EF that will allow you to use the old lens in manual mode. If your camera isn't designed to take EF-s lenses then they will not fit on the camera. My EF-s lenses will not fit on my 6D.
The short answer is yes, in fact the "Red One" does just that. Now where to get these adapters is another story in itself as most are custom made to communicate with the camera. Adapters to mount "Medium Format Lenses" have been around since shortly after Canon introduced the EOS camera, with better then expected results. The only one the was and still is a huge let down is going from Canons own manual focus lens to the auto focus, you can find them cheap but you loose. I've personally used on a Canon EOS system Medium format Prime lenses from Hasselblad, Pentax and Mamiya. If you go into e-Bay and do a search for lens adapters you'll find a huge assortment. Cheers have fun with it
Canon EOS 500N has an EF lens mount, so all lenses with Canon EF mount will fit. All lenses with MF and EF-S won't fit. If you purchased Sigma 28-70mm f/2.8 EX, then it have EF mount and will fit EOS 500N.
Hi Marc! Almost all EF lenses, including the two you listed will work on the Canon Digital SLRs. On the Digital SLR they will have 1.5x the magnification that they would have on a 35mm camera. Your 28-90 will be like a 42-135mm and the 75-300 would be like a 112-450mm. This is because the image sensor on the Digital SLR is smaller than a 35mm negative.