Sigma 17-40mm f1.8 dc art £779/$919

The latest photography news from around the globe

£5,899/$6,599

This high-end fast telezoom is an upgrade to a much-loved lens, but it is worth the extra money? Andy Westlake takes an in-depth look

Angela Nicholson tests the world’s first 200mm full-frame f/2 prime lens for mirrorless cameras

£190/$199

£3,800/$3,900