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Category Archives: Nikon Patents

New Nikon 58mm f/1.2 full frame lens patent


Nikon filed two more patents (2013-019992, 2013-011831) in Japan for a new full frame 58mm f/1.2 lens. In the past there have been similar patents for a 50mm f/1.2, 58mm f/1.4 and 58mm f/1.2 lenses. Here are the technical details:

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Nikon’s patent reveals passcode protection of lens-body combination

Nikon password protection patent

In order to prevent the use and resale of stolen gear, Nikon filed patent 2013-61508 in Japan that will require the photographer to enter a passcode in order to make a certain lens-camera combination usable. The authentication process will most likely use the lens and camera serial numbers and link them to a pre-selected password. Unless the correct password […]

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Nikon patents for illuminated F-mount, duplicated electronic mount contacts and hybrid viewfinder

Nikon LED mount lighting patent

Nikon filed patent application 2013-57757 that will make changing camera lenses in the dark easier by illuminating the mount/lens. The implemented LED light source in the camera will transmit light to the mount and lens via an optical path located above the optical elements.

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Nikon’s 18mm f/2.8 mirrorless DX lens patent

Nikon 18mm f2.8 DX lens patent

I want to mention again patent application 20110080659 filed by Nikon on September 30th, 2010 for a 18mm f/2.8 DX lens (28mm equivalent) because I think this could be the lens used in their upcoming high-end APS-C compact camera. As I already mentioned back in 2011 when I covered this patent, this lens is not designed for F-mount – the […]

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Nikon 58mm f/1.4 lens patent

Nikon 58mm F1.4 lens patent

Nikon latest patent filed in Japan is for a 58mm f/1.4 lens: Patent application: 2013-19993 Patent release date: January 31, 2013 Patent filing date: July 8, 2011 Focal length: 58.0216mm Aperture: 1.450 Half angle of view: 20.82° Image height: 21.6mm Lens length: 93.67772mm Backfocus: 38.71868mm Lens design: 9 elements in 5 groups, two aspherical elements

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Nikon’s patent for a hybrid viewfinder (OVF & EVF)

Nikon hybrid viewfinder patent (1)

The latest Nikon patent from Japan is for a hybrid viewfinder (OVF & EVF) – something similar was filed few years ago. The patent describes an OVF/EVF switch as well as the ability to display zoomed-in or zoomed-out live view from the scene in the OVF:

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Nikon patents for 16-35mm f/2.8 VR lens, dual lens hood

Nikkor 16-35mm f2.8 VR lens patent

Patent 2012-247687 is for a new full frame 16-35mm f/2.8 VR lens with 5 aspherical surfaces and 3 ED elements (the current 16-35mm f/4 lens has 3 aspherical surfaces and 2 ED elements).

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