Our comprehensive listing of key specifications for DSLR lenses

Sigma calls its latest superzoom ‘the ultimate all-in-one zoom lens’, but can a 10x zoom be an ultimate anything, asks Damien Demolder

Here are our best-buy bargain second-hand lenses to buy, as selected by the AP team and contributors

£799/$999

Master the art of modern photography

£1,400/$1,498