Category Archives: Patents

HD Pentax-DA 645 90-180mm or 80-160mm f/4.5ED AW SR lens patent filed in Japan

By admin | Published: October 17, 2017

A new patent for a Pentax DA 645 80-160mm f/4.5 lens (four examples in the patent application) or a 90-180mm f/4.5 lens (two examples) was filed by Ricoh in Japan. The lens is stabilized (just like the 90mm macro).

Also posted in Pentax lenses | 7 Comments

This could be the patent for the “special” battery grip of the Pentax KP

By admin | Published: January 15, 2017

This could be the patent corresponding to the “well-considered battery grip system” of the rumored Pentax KP camera. The grip attaches with a special locking handle and not by using the tripod socket as other cameras:

Also posted in Pentax KP | 39 Comments

Ricoh’s patent for a Bayer sensor without a color filter array

By admin | Published: December 5, 2016

Ricoh has a new patent (2016-201400) field in Japan for a Bayer sensor without a color filter array (CFA) which should create sharper monochrome images.

Posted in Patents | 2 Comments

Ricoh filed a patent for a Pentax 35-80mm f/4 full frame lens

By admin | Published: May 31, 2016

Ricoh filed a patent in a Japan for a 35-80mm f/4 full frame lens that is most likely designed for the Pentax K-1 DSLR camera. Here are the details:

Posted in Patents | Tagged | 10 Comments

Ricoh files a patent for a Pentax 100-300mm f/4 full frame lens

By admin | Published: May 18, 2016

Ricoh recently filed a patent in a Japan for a 100-300mm f/4 full frame lens that is most likely designed for the Pentax K-1 DSLR camera. Here are the details:

Posted in Patents | Tagged | 4 Comments

Ricoh filed patents for several lenses designed for cameras with 1″ sensor

By admin | Published: April 27, 2016

Ricoh filed several patents in Japan for 75mm f/2.8, 50mm f/2.4, 25mm f/1.8 and 35mm f/1.8 lenses designed for cameras with 1 inch sensor.

Also posted in Pentax lenses | 16 Comments