Tag: teleconverter

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SIGMA News: Teleconverter

The compact and cheap alternative to the telephoto lens – a teleconverter SIGMA offers two different teleconverter series. Both converters, the TC-1401 and the TC-2001, were exclusively developed for SIGMA converter-compatible lenses in all three product lines, the Contemporary, the Art and the Sports series. But what exactly are teleconverters? They are optional optical device ...