The Useful Canon Lens Specifications and Accessories Table

When you are shopping for a lens, don't only read the reviews, and check prices, also make sure to read the Canon Lens Specifications and Accessories Table. There's valuable information like the number of shutter blades for smooth bokeh and the minimum focusing distance. This distance is important. If you notice, many of the fast primes do not focus close. Close should be like 0.8ft or 0.25m, especially for wider lenses.

Sample:

Here's the link to download the complete pdf table. When new lenses come out, hopefully Canon will keep this table updated -

http://www.usa.canon.com/app/pdf/lens/EFLensChart.pdf