Question about Canon EF 70-200mm f/2.8L IS USM Autofocus Lens
I have had this lens for about 1 1/2 yrs. I did buy it used. I shoot basketball and basesball games with it. No problems at all, until now. At basketball games about 1/4 of my pics are out of focus - either completely blurry or slightly blurry. The lens just doesn't seem to be focusing in all the time. I am not donig anything different at all and have checked all the settings numerous times. I shoot pics at all basketball games, so I've taken a lot of shots to compare. Any suggestions as to what it could be?
I have had to replace the focusing servo motor is these before. The problem of seeking without locking in may mean the same for your lens. Do check for a dirty filter on the front and look to see if the rear optic is dirty or cloudy first. I'm assuming other lenses work fine on your camera.
Posted on Jan 05, 2008
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