English: Canon RF 50mm F1.2L USM lens, without front lens cap or lens hood. The knurled ring near the top is the "Control Ring", and the rubberised ring below that is the manual focus ring. The switch marked "AF MF" selects between autofocus and manual focus modes.
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Painted over dust specks by cloning nearby textures. Modifications made by GIMP.