Can Isopropyl Alcohol loosen a stiff focus ring? Repairing a Mamiya / Sekor 55mm F18 lens.
Patreon ► https://www.patreon.com/user?u=57434418 Stupid Lens Experiments Episode 06. Can Isopropyl Alcohol loosen a stiff focus ring? Repairing a Mamiya / Sekor 55mm F18 lens (M42 mount). In this video we will clean out some haze and see if Isopropyl Alcohol can loosen a stiff helicoid. This is the fifth video about strange experiments involving camera lenses. FR EP46 Music : Night Snow & Pastoral By: Asher Fulero
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