Canon EF 28-70mm f/2.8 L USM complete disassembly for replacing the aperture cable with a new one

This video is about completely disassembling the Canon EF 28-70mm f/2.8 L USM lens. The lens was dusty inside and the aperture of the lens did not work, and it was caused by a faulty flex cable. So I had to disassemble the lens, clean the lens elements, replace the flex cable with a new one, then assemble the lens. In this video I'll show you how to completely disassemble the lens.

UPDATES: n/a

TIMESTAMPS:
00:00 Intro
00:26 Tools
00:47 Like, sub, donate
01:18 Disassembly
28:42 Outro

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Canon EF 28-70mm f/2.8 L USM cleaning the lens inside:    • Canon EF 28-70mm f/2.8 L USM clean the len...  

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TOOLS I USED (ebay /// aliexpress link):
PH000 screwdriver: http://ebay.us/Dz8nTA /// https://ali.ski/2e8ZaZ
PH00 screwdriver: http://ebay.us/Xo63D7 /// https://ali.ski/ao2sD
Flat head screwdriver: http://ebay.us/KxaUDk /// https://ali.ski/ViV00
Metal tweezers: http://ebay.us/jGp7JO /// https://ali.ski/g4VpW
Wood screw: http://ebay.us/zty059 /// https://ali.ski/61n7G
Permanent marker: http://ebay.us/GFUtke /// https://ali.ski/HOZKG