Canon Community

Is it possible to purchase the rear rubber weather seal for an L lenses from Canon and replace it myself? How hard is it to unscrew the rear metal mount and put it back without screwing up any alignment? I'm looking at a used EF 24-105mm F/4L IS VI b...

In case anyone is interested I found a paint that is an extremely close match to the original "white" L lenses. Krylon Satin Touch 3520 Pebble SKU 7 24504 03520 6. I have actually had my can for a few years but yesterday I was touching up an EF 2X II...

A general question. More and more aspherical lens elements are glass molded where they come out of the mold ready to be installed. Is glass molding being used more and more for "regular" spherical elements? For example, how many of the elements in th...