Internal lens cleaning

Started Apr 7, 2006 | Discussions thread
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Internal lens cleaning
Apr 7, 2006


I just bought a second hand EF 200mm f/2.8L mk 1 as a light weight high quality telephoto for travel.

It's come as no real suprise that there is a particle of muck inside it. It must be a couple of mm in size and it is golden coloured. It does not look metallic. I think it must be plant material or some textile material.

I haven't tested it out yet, and hope it will make no difference to the pictures, but it is awfully noticeable when you look at the front of the lens.

I am wondering - can I get the lens serviced to remove it? I guess this would mean a Canon specialist removing the front elements and cleaning - probably a strip down and rebuild, possibly followed by calibration to make sure all is as should be.

Has anyone else had this done? How much does it cost? I am UK based.

Thanks for any advice you can offer.

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