The latest patents from Olympus and Canon
Olympus filed patent 2012-3077 in Japan for a 6-24mm f/2.7-6.1 (28-112mm equivalent) and a 6-30mm f/2.4-6.8 (28-140mm equivalent) lenses:
Olympus 6-24mm f/2.7-6.1
- Focal length: 6.47 - 24.86mm
- Aperture: 2.74 - 6.14
- Angle of view: 71.45 - 17.19°
- Length 29.53 - 29.25mm
- Design: 6 elements in eight groups
- Four aspherical elements
Olympus 6-30mm f/2.4-6.8
- Focal length: 6.27 - 30.40mm
- Aperture: 2.45 - 6.83
- Angle of view: 70.03 - 14.30°
- Length: 29.48 - 31.45mm
- Design: 6 elements in eight groups
- Five aspherical elements
Canon filed patent 2012-2984 in Japan for a short-range wireless communication between the camera body, lens and flash instead of using conventional electronic contacts:
Canon also filed patent 2012-3077 in Japan for three new lenses - 300mm f/4, 50mm f/1.2 and 24mm f/2.8:
Canon 300mm f/4
- Focal length: 294.0mm
- Aperture: 4.14
- Angle of view: 8.42°
- 15 elements 11 groups
- Internal focus
Canon 50mm f/1.2
- Focal length: 51.5mm
- Aperture: 1.25
- Angle of view: 45.6°
- 6 elements in 10 groups
- One aspherical element
Canon 24mm f/2.8
- Focal length: 24.7mm
- Aperture: 2.86
- Angle of view: 82.4°