canon fd lens change aperture
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Does anyone know where I could look for a lens that has manual aperture control with a mount that is mechanically compatible with the Canon Canon EOS EF 75-300mm 1:4-5.6 II Telephoto Zoom Lens, with Lens Hood & Caps. 35mm F/1.6 Large Aperture Manual Focus Lens for Canon-EF-M EOS M1/2/3.