
In addition to a patent for the already announced 25mm f/4 medium format lens, Pentax recently also filed a patent 201263756 in Japan for a APS-C sized 12-24mm f/3.5-4.5 lens (Pentax already has a 12-24mm f/4 lens):
I came across this patent application 20120008928 for an universal underwater camera housing. Most of the current models from companies like Amphibico, Nauticam and Ikelite are very expensive and made for just a specific camera model – once you upgrade it, you will also need to buy a new housing. From the patent application:
Tamron filed a patent in Japan for a new 70-200mm f/2.8 lens that will probably be an update of their current version. Tokina recently announced a new AT-X 70-200mm f/4 PRO IF FX lens and this is probably Tamron’s response. The details:
Panasonic filed a patent (201247813) in Japan for a 12-60mm f/4.5-5.6 Micro Four Thirds lens: Patent release date: March 8th, 2012 Patent filed on: August 24th, 2010 Focal length: 58.1999-12.3599mm Aperture: 4.63557-5.76853 Angle of view: 10.1280-4.3446 deg. Zoom ratio: 4.70875 Lens design: 11 elements in 8 groups 1 ED glass element 5 aspherical elements Optical […]
Pentax filed a patent 201048084 in Japan for a 90mm f/2.8 (medium format) and 60mm f/2.8 (full frame) macro lenses.