Diagnosis and repair. Canon EF-S 17-55mm f2.8 IS USM lens

This London System plan against the Slav Defense is a clear advantage for White almost every time...

The lens drowned and sat on a shelf. Does it work? Can I clean it? Canon EF 24-105mm f4L IS USM

Learn how to play the London System vs. the Slav Defense: Winning plan😎♟️🔥 #chess

Repair report for two Canon EF 24-70mm f2.8L II USM lenses

I used a lens for dental work, but it broke. I need to fix the Canon EF 100mm f2.8 Macro.

Repairing bent CF card pins in a Canon EOS 5D Mark IV