A new Sony lens patent has been published yesterday (Source Asobinet). it discloses the design of four GM lenses: 400mm f/2.8 (available at Amazon, BHphoto) 400mm f/4.0 (more affordable version of the existing f/2.8 GM) 500mm f/4.0 800mm f/5.6 A patent is not proof that Sony will actually mass produce these lenses. But it definitely… The post New Sony patent discloses the design of a new 800mm f/5.6 and 400mm f/4 GM lens first appeared on sonyalpharumors....
Published By: SonyAlphaRumors - 3 days ago