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

£1,400/$1,498

£799/$999

This hybrid prime rounds out a series that includes 20mm, 24mm, 35mm and 50mm optics. Angela Nicholson investigates if it’s the perfect portrait lens

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