Hack a Sigma Lens to operate with Canon Cameras
With this hack you will be able to Hack a Sigma Lens to operate with Canon Cameras. The lens being demonstrated is an older lens and the camera that it is being adapted for is a DSLR. The issue is that the signals from the DSLR for adjusting the aperture of the lens are not recognized by the lens. By adding a small microcontroller in the mix, the camera