Canon's fourth 'hybrid' f/1.4 prime lens joins the 24mm, 35mm and 50mm Versatile 20mm wide-angle perspective and fast aperture List price is £1,919.99 (US and Australia pricing plus sales start ...

The lens offers an ultra-wide 20mm focal length and a large f/1.4 maximum aperture in a compact form factor Canon has introduced ... commonly found in ultra-wide-angle lenses.

I always feel that’s a bit cheap on Canon’s part, as I would class a hood as an essential for a wide-angle lens, rather than an ‘optional extra’. In this case, it’s a petal-shaped EW-73E ...

(Also, if you’re feeling a little underhanded, you might use a wide-angle lens to make rooms look bigger when you’re listing an apartment on Craigslist or selling your house.) The Canon EF-S ...