Many new Lens patents Surfaced over the web from different brands, take a look at the details below.
Olympus Lens Patent
Olympus 15mm F2 and 17mm F1.8, 17mm F2.8 (pancake) for M4/3 format
- Patent Publication No. 2013-130669 (Translated by Google)
- Publication date 2013.7.4
- Filing date 2012.12.21
- Olympus patents
- 4-unit construction of positive and negative positive negative
- Inner focus (the third lens group)
- Designed to increase the focus back
Patent of 100 mm F4.5 Macro Patent for M4/3 system,
The lens have two AF mode, one is high speed and other for macro mode, take a look at the more details below
Description and self-interpretation of the patent literature
- Patent Publication No. 2013-152279
- Publication date 2013.8.8
- Filing date 2012.1.24
- Olympus patents
- I and a second shooting mode and the first photography mode
- First photography mode
- Inner Focus (Group 4)
- Focus group with one piece, can be high-speed AF
- Second shooting mode
- (Third group and the second group approaches) inner focus
- Focus is more than one group, and corresponds to the macro
Patent KonicaMinolta 8-17mm F2.8 (4/3 “)
Konica Minolta ultra-wide 8-17mm F2.8 lens for M4/3 format surfaced over the web, take a look at the image and translated details below
- Patent Publication No. 2013-156477
- Publication date 2013.8.15
- Filing date 2012.1.31
- Example 1
- Zoom ratio 2.12
- Focal length f = 8.22 – 11.99 – 17.42mm
- Angle of view 2ω = 105.45 – 84.01 – 63.60 °
- BF 15.01mm
- 95.84 – – 99.05mm 100.08 total length
- Fno. 2.9
- Image height Y = 10.90mm
- 16 images in 11 groups Lens Construction
- Three 5-sided aspherical
- Two ED glass
Src-Egami