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Serious question, has anyone tried cleaning a sticky aperture with just lighter fluid and a Q-tip?
I had a Canon FD 50mm f/1.8 come in last month with oil on the blades and the usual naptha soak would have meant pulling the whole front group. Against my better judgment I put two small drops of lighter fluid on a Q-tip and worked it around the blades from the back. I let it sit for an hour and then dry fired the ring about 50 times. Next morning the aperture snapped back like new and the customer picked it up happy for $40. I keep reading that this is a hack that will come back to bite me in six months. Has anyone here done this and actually seen it fail down the road, or is it one of those things we all quietly do and never admit?
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