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Can't focus to infinity with my 135mm f/2L!!!

Started Nov 5, 2011 | Discussions thread
Dave
Dave Veteran Member • Posts: 6,231
Re: Can't focus to infinity with my 135mm f/2L!!!

Marquee wrote:

Front ring with notches for unscrewing / tightening the front element holder

Clearly having the right tool is important to ensure the front element is not inadvertently damaged. If elements wander axially over time , ability to infinity focus could well be compromised

Dare I ask where one finds the right tool?

 Dave's gear list:Dave's gear list
Canon EOS 80D Canon EF 135mm F2L USM Canon EF-S 17-55mm f/2.8 IS USM Canon EF 100mm F2.8L Macro IS USM Canon EF 70-300mm f/4-5.6L IS USM +10 more
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