Canon EF 85mm f/1.8 USM clean the lens inside

This video is about cleaning the inside of the Canon EF 85mm f/1.8 USM 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
- 00:19 Tools
- 00:39 Like, sub, donate
- 01:10 Disassembly
- 03:26 Cleaning
- 05:00 Assembly
- 08:54 Outro

RELATED VIDEOS:
- Cleaning lenses (playlist): https://www.youtube.com/watch?v=DZ_YBUTwOwA&list=PLsYnsrzyh_mOXni_Xn3mzZlFV6tu0C8m8
- Canon EF 100mm f/2 USM - how to clean the lens inside: https://youtu.be/hfMAw20jKDs

SCREWS ORDER:
How do I remember where I should put back the screws I removed from the camera?: I use a paper which is divided to sections, and naming those by the sides of the camera. Then I place the screws by their relative positions to eachother. In this video you can't see it, but I show this in another videos:
https://youtu.be/DDn8IPGSUps
https://youtu.be/utIi3D4o8wY

DONATION:
If you find that video useful, informative and adds value to you (and possibly saved, or made some money by repairing the camera or lens), then consider donating or buying something from my webshop!:
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TOOLS I USED (ebay /// aliexpress link):
- PH000 screwdriver: http://ebay.us/Dz8nTA /// https://ali.ski/2e8ZaZ
- Airpump: http://ebay.us/XPC6wo /// https://ali.ski/-Yc1r2
- Small brush: http://ebay.us/R54Rjh /// https://ali.ski/LEV6Sk
- Permanent marker: http://ebay.us/GFUtke /// https://ali.ski/HOZKG

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