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 ...

The Canon EF-S 18-55m f/3.5-5.6 lens that came with the Canon EOS kit is not much of an exception, except (grin) in three distinguished areas. Normally, I would ...

The Canon EF 85mm f/1.8 USM lens has many features that I wish my Canon EF 50mm f/1.8 II lens had. It has the following features lacking in the 50mm lens: ...

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 ...

The Canon EF-S 55-250mm f/4-5.6 IS II lens is an opportunity for most new photographers to get a taste of wildlife photography. It's a excellent companion for ...

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 ...

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 ...

The Canon EF 50mm f/1.4 USM does not have internal focus mechanism. Therefore, during focus, the front lens elements will extend and retract, increasing and ...

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.

All about Canon EF 15mm f/2.8 fisheye lens. Canon EF 15mm f/2.8 fisheye lens has sharp focus, consistent output and 180 degree of viewing.