The Canon 15-85mm is one of my favourite EF-S mount lenses to use on a Canon cropped sensor body such as a 90D. It’s sharp, with nice bokeh, is lightweight, and covers a great walkabout range (24-136mm) with great optical characteristics. Although not being touted as a pro grade lens, it actually employs Canon’s famous ED glass and performs well as you can see in many of the galleries at https://davebaar.com of the past few years. However, my 15-85 began showing mechanical problems a few months ago; it eventually would not zoom wider than 35mm due to what felt like a mechanical blockage.
Fortunately, despite what I’d seen in some youtube videos about this lens, fixing the problem in my case did not require full disassembly of the lens.
Amy, next steps in diagnosis might be using an ohmmeter to do some continuity checks from the relay pins outward,…