XL1-S lens: still flawed? at DVinfo.net

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Canon XL1S / XL1 Watchdog
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Old August 14th, 2003, 08:05 AM   #1
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XL1-S lens: still flawed?

I thought the lens on the XL1-S had been "fixed" , but I still read posts on forums that say it has a focus drift problem. Is this true? Do most lenses work and some don't?
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Old August 14th, 2003, 08:07 AM   #2
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I think you are referring to focus hunting. To my knowledge this
still happens. Problem goes away if you switch to manual focus.
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Old August 14th, 2003, 11:49 AM   #3
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<<<-- Originally posted by Rob Lohman : I think you are referring to focus hunting. To my knowledge this
still happens. Problem goes away if you switch to manual focus. -->>>

I thought there was still some "back focus" issues with the lens or something.
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Old August 14th, 2003, 02:53 PM   #4
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The back focus issue was really limited to the original XL1 and was fixed via a firmware update by sending the camera and lens to Canon. However, any camera, prosumer or professional, with interchangeable lenses, can have a problem with back focus. Most pro lenses have a back focus adjustment, the AF lenses with XL mount do not have a back focus adjustment. If the back focus goes out, it's a trip to Canon for a fix. The two manual focus XL mount lenses have a back focus adjustment, like the pro lenses. Why don't the XL AF lenses have a back focus adjustment? Cost. Pro lenses start at what an XL1 outfit costs.
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