Lens Repair

TIPSIf internal lenses are clean--DON'T TOUCH and KEEP SEALED FROM DUST. Lens cleaning is to be avoided if possible!!I tried cleaning every element when i first started working on lenses and…

Disassembly is from the front end. The lens comprises two optical groups.   The main group and the rear element. There are two versions of this lens model and to a…

This was the procedure required for servicing the above lens, necessary when the aperture blades became covered in oil. This, in turn, had occurred because an inappropriate grease was used…

Zooms must be adjusted for infinity sharpness at both extremes of their zoom range. The wide angle adjustment is made by moving the rear element assembly closer or farther from…

This lens was part of a large group of cameras/lenses I fixed for a friend of mine, Uf Tureli. It was my first opportunity to tinker on a huge Kiev…