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 ...

A solid-built ultra wide-angle lens.

The lens focal length range is equivalent to 28 to 112 mm on a 35mm film camera. This Leica DC Vario-Elmarit Aspherical lens has a 4x optical zoom and Optical ...

Lens. Diaphragm Blades. Minimum Aperture ; Tokina opera 50mm F1.4 FF (Canon EF / Nikon F)). 9. f/16 ...

Awesome lens for natural landscape and personal portrait. Interchangeable Leica D Summilux 25mm f/1.4 Aspherical SLR A fixed focal length standard lens for the ...

This wide angle zoom lens is a good lens. It is made out of metal and very rugid. But I don't like to carry it around because it is heavy.

The Sigma 20mm f/1.8 D EX DG Aspherical Lens has a clutch-like system for switch between AF and MF modes. The system is very similar to the Sigma 105mm f/2.8 EX ...

The Sigma 24-60mm F2.8 EX DG Lense is one of sigma's latest professional lens creations. Although simple in design, the overall lens offers a stunning array of ...

The Raynox MX-3000PRO is a ultra wide angle conversion lens. It de-magnifies the scene by 0.3 times. So a 28mm lens would be converted into 8.4 mm.

This Canon EF 24-70mm f/2.8 L USM lens actually compliments a plethora of other equipment I have for my Canon. The 24-70 L has a magnification of 0.29x at 70mm.