Tamron 50-300mm f/4.5-6.3 di iii vc vxd

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

£5,899/$6,599

£190/$199

£3,800/$3,900

Totally exasperated about telephoto extenders? Bothered by battery life? Send your technique and camera questions to digitalcamera@futurenet.com

The latest photography news from around the globe