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Tim Irwin’s 3D printed 90mm lens is a whole lot better than it looks, says Damien Demolder , and it produces some useful, and fun, results

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This chunky lens is a terrific telephoto prime with an exhilarating turn of speed www.sigmauk.com

GETTING KITTED OUT 40 YEARS AGO WAS QUITE DIFFERENT FROM TODAY, WRITES OUR GEAR GURU DAVID CHANDLER …