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- Aug 16, 2012
Samyang / Rokinon AF 14mm f/2.8 RF - Lab Test / Review
"As of the time of this review, Samyang has been the only third-party manufacturer offering AF lenses in Canon RF mount - namely the Samyang (Rokinon) AF 14mm f/2.8 RF & AF 85mm f/1/4 RF ... but their status is unclear. Canon R-mount is a closed ecosystem with Canon obviously not willing to issue mount/protocol licenses. But it seems as if there's even more to it. Samyang appears to have reverse-engineered the protocol but, at least according to messages on social media, they are about to stop manufacturing AF lenses for R-mount (because Canon threatened them?). The future of these lenses is therefore foggy at best. However, you can still buy the AF 14mm f/2.8 RF for as little as 650USD/EUR making it an attractive alternative to the superb but expensive, native Canon RF lenses. The lens is also available in Sony E-mount using the same optical formula - with Sony's blessing apparently."
By the way, reverse engineering is not illegal and a perfectly valid way of not infringing intellectual property.