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By admin, on July 29th, 2014
Canon 180mm F3.5 Macro DO patent surfaced over the web today, the patent publication was registered at 2013.1.17, take a look at the details below
Explanation and self-interpretation of the patent literature
- Patent Publication No. 2014-137484
- Published Date 2014.7.28
- Filing date 2013.1.17
- Example 1
- Focal length f = 180.00mm
- Shooting magnification ∞ 0.5x 1.0x
- Fno. 3.50-4.50-5.20
- Half angle ω = 6.85 °
- Image height 21.64mm
- The overall length of the lens 202.38mm
- BF 52.18mm
- Effective diameter of the front lens 58.18mm
- 12 sheets 8 groups lens configuration
see more DO lens patent from Canon – Canon Patents 70-300mm, 100-400 mm F4.5-5.6 DO Lens and see all Canon Patents
By admin, on July 7th, 2014
Canon latest patent surfaced over the web that shows a 50mm F1.4 Lens, 55mm F1.4 lens and 35mm F1.4 lens. All these lenses patent showing large aperture ring and internal focus motor, a clear indication that all these lenses will arrive under L series branding.
We have already seen that recently announced Sigma ART series lens surpassed the optical quality of Canon 50mm L Lens (see here), now its look like Canon is ready for the battle and will update and introduce its new series of prime L lenses with advance optics and improved cores specification.
See more Canon Patents
By admin, on June 27th, 2014
A Canon 5 layer sensor patent surfaced over the web (filed on 2012.11.22) , the sensor features two additional layer (UV and IR), the UV and IR layer will remove skin spots to capture bright and clear skin tone.
Patent Information (Google Translated)
- Patent Publication No. 2014-103644
- Publication date 2014.6.5
- Filing date 2012.11.22
- Canon patents
- I get the visible light
- I get the ultraviolet light
- I get the infrared light
- I want to extract the skin area
- The skin region of visible light, I will correct the image from the difference of the skin area of ultraviolet light
- Signal value of the infrared light is regarded as the skin area, the high part
via – northlight-images.co.uk
By admin, on June 21st, 2014
After Canon Patent News: 500mm f/4 DO, 500mm f/5.6 DO, 600mm f/4 DO, 800mm f/5.6 DO Lenses patent and Canon Patents 70-300mm, 100-400 mm F4.5-5.6 DO Lens Patent now we have Canon EF 400 f/4 DO IS patent information, it has been really a long time since we have seen any real DO lens announcement.
Canon Patent Details Translated by Google
- Patent Publication No. 2014-109700
- Publication date 2014.6.12
- Filing date 2012.12.3
- Example 1
- Focal length f = 392.00-381.59-332.99mm
- Fno.
- Half angle ω = 3.16-3.10-2.81 °
- Image height Y = 21.64mm
- The overall length of the lens 292.02mm
- BF 105.64mm
By admin, on June 19th, 2014
A latest patent surfaced over the web that shows latest patent of EF 100-400 f/4.5-5.6 STM Lens, there is also a patent document of already announced EF-S 55-250 f/4-5.6 IS STM lens, so finally we have a strong hope that Canon Patent EF 100-400 f/4.5-5.6 STM Lens can be announced on Q4 of 2014 or along with Canon 7D Mark II.
Take a look at the patent details below
- Patent Publication No. 2014-102462
- Publication date 2014.6.5
- Filing date 2012.11.22
- Example 1
- Zoom ratio 4.24
- Focal length f = 56.90-133.00-241.28mm
- Fno. 4.12-5.04-5.83
- Half angle ω = 13.50-5.86-3.24 °
- Image height 13.66mm
- 154.33-176.38-191.20mm overall length of the lens
- BF 41.21mm
- Example 5
- Zoom ratio 3.73
- Focal length f = 104.59-199.99-389.99mm
- Fno. 4.58-5.03-5.87
- Half angle ω = 11.69-6.17-3.18 °
- Image height 21.64mm
- 245.09-285.06-308.91mm overall length of the lens
- BF 68.73mm
via-egami
By admin, on June 17th, 2014
Canon multi-view camera patent is pending, as far as I can understand from the patent the camera will give you Depth-of-Field control like Lytro camera, wide range of perspective control, excellent noise control, resolution conversion, HDR, distance estimation like a Rangefinder.
Description and self-interpretation of the patent literature The patents below are translated via Google Translator.
- Patent Publication No. 2014-110442
- Publication date 2014.6.12
- Filing date 2012.11.30
- Canon patents
- Multi-lens camera concentrically arranged an imaging device and a plurality of lenses
- I do light field, angle of view changes, perspective changes, noise reduction, resolution conversion, HDR, distance estimation, the disparity estimation
- Patent Publication No. 2014-110443
- Publication date 2014.6.12
- Filing date 2012.11.30
- Canon patents
- I provided a handle to the multi-lens camera
- Parameter change in the rotation of the handle
- Patent Publication No. 2014-110444
- Publication date 2014.6.12
- Filing date 2012.11.30
- Canon patents
- I reduce the number of the imaging lens element than the number of multi-lens camera
- By the rotation of the optical unit, to select a specific lens
By admin, on June 2nd, 2014
Canon latest patent says that in camera display system will show focus ring guide during manual focus mode. In the display unit virtual ring will guide you the direction of rotation to acquire focus quickly and accurately on the subject.
Patent details
Description and self-interpretation of the patent literature
- Patent Publication No. 2014-89329
- Publication date 2014.5.15
- Filing date 2012.10.30
- Canon patents
- I get information on the rotation direction of the focus ring
- I get the image of the near side and the image of the far side of the optimum than the current position
- I displays an image corresponding to the direction of rotation of the focus ring
- Upon detecting the rotation of the focus ring, to release the image display
src-egami
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