Canon EF 70-200mm f/4 L USM disassembly
14:59
Canon EF 70-200mm f/4 L USM - how to clean the lens inside
43:27
EF 70-200mm f/4 L IS USM Часть I: сборка и фичи, примеры на ФФ и кропе, сравнение с 70-300 и 55-250.
25:46
Canon EF 70-200mm f/4 L USM assembly
27:04
Canon EF 24-70mm f/2.8 L USM disassembly and replacing the aperture flex cable
51:40
Teardown and attempt to repair Canon 70-200 2.8L
43:31
How to repair Canon lens EF 70-200mm f/4L USM - deformation in main barrel (focus problem)
23:35
Canon EF 70-300mm f/4-5.6 IS USM lens disassembly
23:20