Amazon.com : 25mm F1.8 APS-C Large Aperture Wide Angle Lens Manual Focus Lens for Olympus, for Sony, for Fuji FX, for Nikon, for Canon M, for Pentax Mirrorless Camera(Silver) : Electronics
Tamron Adaptall Mount SLR Lens to Canon EOS M Mount Camera Body Lens Mount Adapter – Fotodiox, Inc. USA