EF-EOS M lens mount adapter is designed to connect Canon EF/EF-S series lenses to Canon EOS M series mirrorless cameras, giving you more choices of choosing lenses.Specifications * Model: EF-EOS M Mount Adapter * Focus mode: Auto focus * Front Mount: Canon EF mount * Rear Mount: Canon EF-M mount * Tripod Socket: Cu1/4"× 1 * Max Diameter and Length: 66.6mm×26mm * Front cap: Camera cover * Rear cap: Lens Dust cap * Weight: Approx. 119gCompatible Cameras: Canon EOS M Series Mirrorless Camera EOS M / EOS M2 / EOS M3 / EOS M5 / EOS M6 / EOS M10 / EOS M50 / EOS M100Compatible Lenses: Canon EF Series Lenses (does not include EF-M lenses or CN-E lenses) : * Canon EF Fixing Zoom: 24 F1.4L, 24 F1.8, 35 F1.4, 35 F2, 40 F2.8, 50 F1.4, 50 F1.2, 50 F1.8, 85 F1.2, 50 F1.8, 100 F2, 100 F2.8 * Canon EF-S: 17-55 F2.8, 18-55, 18-135, 55-200 * Tarmon: SP 17-35, SP 17-50, SP 28-75, SP 200-500

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