Earlier this year, Canon made the (great) decision to allow third-party manufacturers to bring autofocus-equipped lenses to RF mount, albeit only RF-S (APS-C) lenses. Since that announcement, companies like Tamron and Sigma announced RF-S lenses. Now South Korean lens maker Samyang is getting in on the action by bringing its 12mm f/2 ultra-wide prime to RF mount.
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Source: PetaPixel