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

This video is about cleaning the inside of the Canon 100-400mm IS USM II lens. The lens had dust behind the front lens element, so in this video the front lens was removed, the lens was cleaned, then the front lens was assembled.

UPDATES: n/a

TIMESTAMPS:
- 00:00 Intro
- 00:40 Tools
- 01:07 Like, sub, donate
- 01:38 Disassembly
- 06:51 Clean
- 10:28 Assembly
- 16:53 Outro

RELATED VIDEO:
- 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 USM (Mark I) cleaning the lens inside: https://youtu.be/tBqTlkbKhh4

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TOOLS I USED (ebay /// aliexpress link):
- PH00 screwdriver: http://ebay.us/Xo63D7 /// https://ali.ski/ao2sD
- Metal tweezers: http://ebay.us/jGp7JO /// https://ali.ski/g4VpW
- Adjustable metal tweezers: http://ebay.us/yc3cbb /// https://ali.ski/k_elg
- Suction cup: http://ebay.us/LDxIVl /// https://ali.ski/t7M7Q
- 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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