Canon TS-E 24mm 1:3.5 L II Preview
The Canon TS-E 24mm 1:3.5L II wide angle tilt and shift lens is specifically designed for architectural photography. TS-E here means Tilt and Shift for EOS. The Canon TS-E features low distortion and excellent edge-to-edge sharpness. It features independent rotation of the Tilt and Shift mechanisms ensures versatility. With a wide angle 24mm focal length and ±8.5° of tilt available, plus ±12mm shift and ±90° of rotation on both the tilt and the shift mechanisms, the TS-E 24 mm f/3.5L II offers exceptional flexibility. [Read the whole review over at dpreview.com]
Never used a tilt and shift lens. I hear it makes everything look toy-like.