Canon EF 28-135mm f/3.5-5.6 IS USM disassembly and assembly - repairing the stuck zooming and focus
23:13
Canon EF 28-135mm f/3.5-5.6 IS USM repairing zoom creep and wobbling front lens
9:25
Canon EF 28-135mm f/3.5-5.6 IS USM cleaning the lens inside
29:44
Canon EF 24-70mm f/2.8 L USM assembly after replacing the aperture flex cable
18:15
Canon EF 50mm f/1.4 USM lens assembly after repairing the focus stuck problem
26:41
Working with Canon zoom Lens EF-s 18-135mm 1:3.5 -5.6 IS Focus issue
11:16
Desarme Lente Canon 28-105mm USM
34:33
Canon EF 100-400mm f/4.5-5.6L IS USM disassembly
25:43