Canon EF 70-200mm f/4L USM Lens + SLR Lens Pouch + Lens Cleaning Pen

hello everyone in this video i show you how to clean the inside of canon 70-200 millimeter f4 lusm lens recently i had this lens which dust inside as i use the lens the lens collects dust inside usually the dust is between the front lens and the second lens element fortunately it is very easy to remove front lens element so completely disassembly is not required so in this video i show you how to remove the front lens element clean the lens inside and then assemble the lens before i will start let me talk about the tools that i've used to clean the lens for disassembly and assembly i've used a ph30 screwdriver a metal tweezer permanent marker a wood screw and a lens opening tool for cleaning lens elements i've used an air pump a brush lens cleaning fluid a microfiber cloth for checking the lens elements i will use a flashlight if you're interested in buying them then the links are in th