New Sony patent discloses 500 f/4 and 600 f/4 E-mount lens design!

We spotted a brand new Sony patent application filed in 2017 and published now in May. It shows the design and specs of three fast super tele E-mount lenses: The first lens is the already known 400mm f/2.

8. The second lens is the 500mm f/4. 0. The third lens is the 600mm f/4. 0. I think there […]

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lens patent sony e-mount design

2018-5-30 16:05

lens patent → Результатов: 17 / lens patent - фото


Patent: A New Type of ASC Lens Coating

A Canon patent application shows what looks to be expanding on ASC (air sphere coating). As you can see in the image below, ASC in fact looks like little bubbles From Japan Patent Application: 2017-167271 To provide an optical member having an anti-reflection film with high strength, uniform refractive index distribution, and low scattering, and a Read more... canonrumors.com »

2017-12-27 18:22