Canon EF 24-105mm f/4L IS II USM Lens + UV Filter + Lens Cleaning Pen + Lens Cap Keeper + Cleaning Cloth - 24-105mm II IS: Ultrasonics Motor - International Version

hello everyone in this video i show you how to clean the inside of a canon 24105 f4l isu assemblance recently i had this lens which had dust inside i had to remove the front lens element clean the lens inside then assemble the lens in this video i show you how i did that as you zoom in and out the lens collects dust inside mostly the dust is between the front lens and the second mass element fortunately it is very easy to remove the front lens so complete disassembly is not required so in this video i show you how to remove the front lens 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 tweezers a suction cup and a permanent marker for cleaning lens i've used an air pump a brush microfiber cloth and lens cleaning fluid for checking lens eleme