The auto-focus mechanism on this lens is based on Canon's micro motor. It is noisy and doesn't sound very smooth. In low-light and low-contract situation, it ...

This lens is based on Canon's micro motor, so full-time manual is not supported (means you can't turn the focus ring when AF is set). The focus ring turns ...

In the widest angle side, you gain half a stop in speed. In the furthest telephoto side, you gain a whole 50mm. You also gain the awesome image stabilization.

On the 50mm lens, the AF/MF switch is hard to push. Sometimes the lens gets stuck in one mode or another stubbornly. On the other hand, the switch on the 85mm ...

One, the Canon EF-S 18-55mm f/3.5-5.6 lens is an extraordinary macro zoom lens. Canon is silent about this lens's macro capability and the lens body quietly ...

This lens has Canon's ultrasonic motor (USM), which is silent and fast. I cannot hear the lens auto-focus. It supports full-time manual focus, which means you ...

Oct 14, 2009 · I'm working on a small project and wanted to drive a Canon lens without the camera body. ... The Canon EF lens protocol is a private interface.

The Canon EF 24-70mm f/2.8 L USM Lens is one of the most amazing zoom lens I have ever used. Firstly, getting the actual lens to my house took an excruciating ...

i have recently bought a canon eos xti dig camera. i enjoy taking action pics, but only as fun. i also got the ef 75-300mm f/4-5.6 III lens with it. my main ...

The Canon BG-E1 Vertical Battery Grip is an accessory for the Canon EOS Digital Rebel SLR camera. It serves two purposes: 1) it allows two batteries to be ...