The compromise, though, is that the Canon G3X's lens has a dimmer variable aperture, which drops from f/2.8 at wide angle to f/5.6 at full telephoto ... including front and rear dials plus ...

A new patent has revealed that Canon might be building an attachment for smartphones featuring a telephoto lens. The camera attachment is said to feature a telephoto lens. The telephoto lens and ...

But these new Sigma primes, which are particularly appealing for street, travel, and portrait shooters, mean Canon cameras are finally playing catchup with their rivals on the lens front – at ...