Replay: Putting an EF lens onto an EF mount camera body does not always guarantee compatibility. Here's why you might sometimes encounter problems on third party systems. To put it mildly, Canon has ...

Pinefeat produces the adapter designed to interface between Canon EF & EF-S lenses and non-Canon camera bodies, incorporating features for electronic focus and aperture adjustments. Circuit board ...

Pinefeat has designed an EF/EF-S lens controller and adapter for the Raspberry Pi HQ Camera, compatible with Canon lenses, and implementing full electronic control of autofocus and aperture. Canon EF ...