Om system 90mm f3.5 macro is lens released

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

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£5,899/$6,599

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

Why don’t we use round image sensors to capture the full image circle, asks Jon Devo