Having problems with your Canon Rebel XT / EOS 350D Digital Camera ?

Canon, wont focus, dark viewfinder

\015 I bought a new lens for my Canon Rebel XT, its a 75,300mm lens. Now when i attached the lens it worked fine for about 5 or 6 photos, then it came up on the screen sayin ERROR 99 ? then the viewfinder went darker and now the lens with not autofocus, just goes in and out with out taken a picture. I attach my other lens, the 18-55mm and there are no problems. Is there anything i can do? or do i send the lens back?\015

Answers :

Try cleaning the contacts on the bottom of the lens, where it mounts to the camera body. This is a simple step to take and one that I try to remember to do frequently when I am switching back and forth between lenses frequently. get a magnifing glass and look closely at the contacts on both the lens and body. I have 5 canon bodies and the 75-300 IS lens is one of my favorites. It is ALWAYS mounted on either an XTI or XSI and within arms reach at all times. I have a hook and hang it from the headrest of the passenger seat when driving so that it is always ready at a moments notice. I have never had a problem with that lens.
Repair Help & Product Troubleshooting for Canon Rebel XT / EOS 350D Digital Camera

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