Sigma 17-40mm f1.8 dc art £779/$919

This is the largest-aperture zoom available for APS-Cmirrorless cameras, but how does it measure up? Andy Westlake finds out

Wideangle, super-telephoto, close-ups… this lens can do it all. Andy Westlake puts it through its paces

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

£959/$999

Zoom lens Canon RF 75-300mm F4-5.6