Why a newcomer is challenging one of Sony's most interesting lenses

When you use DPReview links to buy products, the site may earn a commission. The Thypoch's first autofocus lens is an F2.8 for full-frame. Photo: Mitchell Clark Over the past few weeks, lens maker Thypoch has been teasing the release of its first autofocus lens. But rather than entering the world of autofocus with a prime, as many of its peers have done, it's introducing the first China-designed and developed zoom for full-frame. And it's an F2.8 zoom, at that. How has the company go...