100-400L - useful tips for handling/care ?

Started Feb 15, 2010 | Discussions thread
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Michel EOS400D SONY DSCV3
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100-400L - useful tips for handling/care ?
Feb 15, 2010

I have this lens and i wonder if there are some issues to take into account

for instance the friction ring: does it wear out after some time ?

i mostly extend the lens to a certain extend and then strenghten the friction so it doesn't creep

are there some things to know to keep the friction in good shape/condition ?
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EOS 7D _ 400D _ 28-135IS _ 70-200F4IS_100-400ISL

 Michel EOS400D SONY DSCV3's gear list:Michel EOS400D SONY DSCV3's gear list
Canon EOS 400D Canon EOS 7D Canon EF-S 10-22mm f/3.5-4.5 USM Canon EF 28-135mm f/3.5-5.6 IS USM Canon EF 100-400mm f/4.5-5.6L IS USM +3 more
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