Tag Archives: Patents

New lenses, curved image sensor patents from Sigma, Canon and Sony

By PR admin | Published: September 27, 2012

Sigma filed patent 2012-181508 in Japan for 30mm f/2.8, 30mm f/2.5, 45mm f/2.8, 24mm f/2.8, 50mm f/2.8, 55mm f/2.8 mirrorless lenses. Canon filed patent 2012-159723 for a 14mm f/2.8 lens. The design contains 14 elements in 10 groups.

Posted in Canon, Sigma, Sony | Also tagged , | 11 Comments

Canon patents for 14mm f/2.8, 300mm f/4, 28-300mm f/3.5-5.6 and 28-135mm f/4-5.6 lenses

By PR admin | Published: August 30, 2012

Two new Canon patents from Japan: 2012-159720 is for a 14mm f/2.8 lens with anti-reflective coating. The next patent 2012-159726 is for a 300mm f/4 lens.

Posted in Canon | Tagged | 1 Comment

The latest Canon news/rumors

By PR admin | Published: July 13, 2012

Canon made several headlines in the past few days – there is a Canon Rebel T4i product advisory about defective rubber grips that could cause skin allergies or irritation and another product advisory for the EXIF data of the Rebel T4i.  There could be also some issues with the EF-S 18-135 IS STM lens. This video […]

Posted in Canon | Tagged | 4 Comments

Canon’s patent adds image stabilization to the 24-70mm f/2.8L lens

By PR admin | Published: July 10, 2012

Canon’s patent 2012123156 adds image stabilization to the 24-70mm f/2.8L lens. Canon has filed 24-70mm f/2.8 lens patents in the past, but this is the first time they added IS to the lens design. Canon recently announced the EF 24-70 f/2.8L II lens, so another update is not likely to come out soon.

Posted in Canon | Tagged | 1 Comment

The latest lens patents from Ricoh and Olympus

By PR admin | Published: July 6, 2012

Ricoh filed a patent 2012128045 for 14mm f/2.5 and 19mm f/2.5 lenses (28mm and 35mm equivalent). The interesting part is that the 19mm lens is designed for an APS-C camera (the 14mm lens is for a 4/3inch sensor). It is not clear from the patent if those lenses are designed for the GXR system or for a future GR model that will come with an APS-C […]

Posted in Olympus, Ricoh | Tagged | 7 Comments

The latest patents from Canon, Panasonic and Pentax

By PR admin | Published: July 2, 2012

Canon filed a patent 2012123155 for a 35mm f/1.4 lens: Patent released date: June 28, 2012 Patent filing date: December 8th, 2010 Focal length: 34.73mm Aperture: 1.45 Half angle of view: 31.92 deg Image height: 21.64mm Length: 128.11mm Back focus: 38.48mm Lens diameter: 52.03mm Lens design: 12 elements in 9 groups sheet, 2 aspherical elements

Posted in Canon, Panasonic, Pentax | Tagged | 2 Comments

Third mirrorless APS-C lens patent from Pentax: 16-55mm f/3.5-5.6

By PR admin | Published: June 22, 2012

After the 18-70mm f/3.5-7.1 and 18-55mm f/3.5-6.7 lens patents, Pentax filed another patent in Japan for a 16-55mm f/3.5-5.6 APS-C mirrorless lens:

Posted in Pentax | Tagged | 13 Comments

Pentax 18-55mm f/3.5-6.7 mirrorless APS-C lens patent

By PR admin | Published: June 8, 2012

Pentax filed a patent 2012-10830 in Japan for a 18-55mm f/3.5-6.7 lens (28-80mm equivalent) for APS-C mirrorless camera (like the K-01 or maybe for a new mirrorless model):

Posted in Pentax | Tagged | 3 Comments