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

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Smaller, cheaper, lighter – Sigma’s updated 35mm f/1.2 lens brings better quality and usability to this moderately wide offering, says Damien Demolder

Agonising over astrophotography shots? Traumatised by your next tripod choice? Send your technique and camera questions to digitalcamera@futurenet.com

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Andy Westlake assesses a unique telephoto lens for extreme close-up photography