Canon 100-400mm f/4.5-5.6 EF L IS USM cleaning the lens inside

This video is about cleaning the inside of a Canon EF 100-400mm f/4.5-5.6 L IS USM lens. I'll remove the front lens element, clean the lens, then assemble the lens.

TIMESTAMPS:
- 00:00 Intro
- 00:40 Tools
- 01:09 Like, sub, donate
- 01:24 Disassembly
- 06:56 Clean
- 11:35 Assembly
- 19:38 Outro

Related videos:
- Cleaning lenses (playlist): https://www.youtube.com/watch?v=DZ_YBUTwOwA&list=PLsYnsrzyh_mOXni_Xn3mzZlFV6tu0C8m8
- Canon EF 100-400mm f/4.5-5.6L IS II USM clean the lens inside: https://youtu.be/9bAQzhlwxdQ
- Canon 100-400mm L IS USM complete disassembly: https://youtu.be/iNqyFqJPUH0
- Canon 100-400mm L IS USM complete assembly: https://youtu.be/BZP7ZMS6uNY
- Canon 100-400mm L IS USM repairing the smooth - tight zoom lock ring to avoid zoom creep: https://youtu.be/wGkrmGLWGXA

DONATION:
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TOOLS I USED (ebay /// aliexpress link):
- PH000 screwdriver: http://ebay.us/Dz8nTA /// https://ali.ski/2e8ZaZ
- Flat head screwdriver: http://ebay.us/KxaUDk /// https://ali.ski/ViV00
- Airpump: http://ebay.us/XPC6wo /// https://ali.ski/-Yc1r2
- Lens cleaning fluid: http://ebay.us/WXS3GC /// https://ali.ski/MYvYl
- Microfiber cloth: http://ebay.us/YpEifd /// https://ali.ski/6CzC7
- Flashlight: http://ebay.us/1ouZGD /// https://ali.ski/lr1QH
- Small brush: http://ebay.us/R54Rjh /// https://ali.ski/LEV6Sk
- Permanent marker: http://ebay.us/GFUtke /// https://ali.ski/HOZKG

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