The tiny Canon EF 24mm f/2.8 lens is actually a good performer. The Canon EF 24 is a highly popular wide-angle lens featuring a large aperture.

The Canon EF 24mm f/2.8 is a highly popular wide-angle featuring a large aperture. The Canon EF 24 lens has floating rear focusing system that correct astigmatism and gives high contrast and sharp delineation.

The new Canon EF 24mm f/2.8 lens provides wide angle coverage from 24 mm up to a standard-zoom 70 mm, all at a constant maximum aperture of F2.8. Other improvements include a closer minimum focus distance, rubber environment seal around the mount and near circular aperture diaphragm between F2.8 and F5.6. The Canon EF 24 lenses are the entry into ultra-wide angle photography and this lens is the ideal starting point. It is extremely sharp and offers superior correction of linear distortion, and its f/2.8 aperture makes it easy to use with slow, fine-grain films or in low light. It focuses as close as 10 inches (25cm), and for many photographers gives the ideal combination of a wide-angle "look" without excessive perspective distortion.

Canon EF 24mm f/2.8 key features:

• Ideal entry into ultra wide angle photography 
• Fast aperture is ideal for low light situations or low ISO applications 
• Close focusing with minimum of 25cm 
• Floating rear focusing system for high contrast and sharp delineation

see the Canon EF 24mm f/2.8 and full range here