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November 24, 2021

Fixing a Stuck Zoom Mechanism on a Canon EF-S 15-85mm f/3.5-5.6 IS USM Lens

Filed under: Uncategorized — admin @ 4:22 pm

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.

Canon 15-85mm lens fully assembled
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Fixing a Janome 1110DX Serger

Filed under: Uncategorized — admin @ 3:43 pm

Recently, a local friend from previous repairs brought over a Janome Serger that wasn’t working. The symptoms in this case were that the unit was completely “stuck” in that the manual handwheel could only be turned a few degrees, and the motor would not cause a significant rotation.

manufacturer's image
Manufacturer’s image
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