The metal mount behind the lens mount ... Unlike Canon EF lens, Nikon lens has an aperture ring on the lens. ... Novoflex EOS Reversing Lens Mount for Canon - ...

In order to do so, we need to understand the pin-out for all of the connectors and contacts. The picture above is the connector at one end of the DR-400 cable.

... Canon EOS cameras determine whether an auto or a manual lens is mounted. The camera monitors a switch on the lens mount. Each lens has a tab for mounting.

I have sawed off the back of the mount and tested on 35mm cameras (step-to-step instruction coming in the future; see an overview in one of the "Related Links" ...

Sep 18, 2009 · I just got a lens that is labeled as a "Mamiya-sekor EF 1:1.7 f=50mm" As I'm new to photography I thought it would fit my rebel xt being that it ...

I saw this hack. It involves grinding the spacer on the lens and taking out the MD mount and putting on the EOS mount (from a m42->EOS adapter). Looks like ...

The lens mount is made out of metal. In daylight or pseudo-macro situations, this lens is not as useful as my other general-purpose zoom lens. In fact, my Canon ...

This lens hood attaches to the front of the Canon EF 50mm f/1.4 lens via the bayonet mount on the body of the lens barrel, rather than the front lens element.

The battery pack has four electrical female pins. If you look at the bottom of the battery with the pins toward the top, you'll see that the left-most pin is ...