[Bastiaan] decided to address this shortcoming by building a Canon EF Lens Mount. The resulting build looks hilarious, but actually takes some interesting photos. [Bastiaan] designed the mount ...

But when [Loudifier] needed an extension tube to do extreme close-ups with a wide-angle lens on a Canon EF-M camera ... which has a shorter mount and allows bringing it in closer than would ...

compact body that pairs beautifully with Canon's EF-M lenses, and can also accept the company's many, many years of EF lenses via the optionally-available (and rather pricey) EOS M mount adapter ...