hello. I have just tried to do a firmware update using the card and the file download from canons website. the process of updating had started and...
Unfortunately they are different specs between the IS and the non IS version otherwise I’d snap that up!
It is the 5th mist rear element of the front group with the part number being yn2-1315 and it is the mk1 400 2.8 is version
hi, I am in desperate need for one of the glass elements for my 400 2.8 is usm. A huge error has occurred which resulted in a chip in one of the...
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