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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:

Nikon-58mm-f1.2-lens-patent
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Nikon’s patent reveals passcode protection of lens-body combination

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 […]

Nikon password protection patent
Posted in Nikon Patents | 132 Comments

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

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.

Nikon LED mount lighting patent
Posted in Nikon Patents | 64 Comments

Nikon’s 18mm f/2.8 mirrorless 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 […]

Nikon 18mm f2.8 DX lens patent
Posted in Nikon Patents | Tagged | 88 Comments

Nikon 58mm f/1.4 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

Nikon 58mm F1.4 lens patent
Also posted in Nikon Lenses | Tagged | 113 Comments

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

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:

Nikon hybrid viewfinder patent (1)
Posted in Nikon Patents | 9 Comments

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

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).

Nikkor 16-35mm f2.8 VR lens patent
Posted in Nikon Patents | 77 Comments