What is maximum aperture?

Our comprehensive listing of key specifications for DSLR lenses

When fast shutter speeds are required, choice of ISO and aperture are important

Wendy Evans heads to an outdoor event armed with a camera and just one lens

Embrace urban shooting and you’ll never run out of ideas

With a staggering 1200mm equivalent reach, could this be the ultimate wildlife lens? Andy Westlake finds out

Panasonic’s latest standard zoom brings a bright aperture at a relatively affordable price, but how does it measure up for quality? Andy Westlake finds out