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By admin, on November 28th, 2015
 Canon is finally preparing to replace the most popluar 55-200mm EF-S Lens, a new patent surfaced over the web that shows EF-S 55-200mm STM lens. No further details are available, take a look details translated by google
Description, self-interpretation of the patent literature
- Patent Publication No. 2015-197655
- Published 2015.11.9
- Filing date 2014.4.3
- Example 1
- Zoom ratio 3.68
- Focal length 54.36 133.00 199.99
- F-number 4.14 5.22 6.32
- Half angle of 14.11 5.86 3.91
- Image height 13.66
- Overall length of the lens 129.39 161.77 167.04
- BF 46.78 66.90 78.18
See more patents here
source
By admin, on November 26th, 2015
Canon patent built in ND filter, If this patent it is commercialized, with minimal performance degradation of the lens, you will be able to use the filter anytime you wish .
Description, self-interpretation of the patent literature
- Patent Publication No. 2015-200805
- Published 2015.11.12
- Filing date 2014.4.9
- Canon patents
- On the surface of the transparent substrate made of synthetic resin, deposited the inorganic hard film of fine uneven periodic structure
- The refractive index changes toward the surface layer side from the transparent substrate side
IF you have a better translation do share with us.
see more canon patents here Also take a look at – Canon Rumors
source - egami.co.jp
By admin, on November 23rd, 2015
Canon 25-125mm F2.8 Lens Patent surfaced over the web, the 25-125mm lens is designed for EOS cinema camera, take a look at the patent details below translated by google.
Description, self-interpretation of the patent literature
- Patent Publication No. 2015-176118
- Published 2015.10.5
- Filing date 2014.3.18
- Example 1
- Zoom ratio 5.00
- Focal length 25.00 125.00
- F-number 2.90
- Half angle (in degrees) 29.42 6.44
- Image height 14.10
- Overall length of the lens 446.92
- BF 50.00
See more Canon lens patent here .. Don’t forget Canon also have multilayer sensor and Medium format camera patent.
By admin, on October 5th, 2015
Latest patent document surfaced over reveals Tilt-shift mount adapter built by Canon.
More Patent details below
- Patent Publication No. 2015-172745
- Published 2015.10.1
- Filing date 2014.2.20
- Canon patents
- Mount adapter with a tilt
- Tilt and shift
- Lens of long flange back
- Short flange back of the body
- Wide image circle lens
- Narrow of the image circle body
source – egami
By admin, on October 2nd, 2015
 Canon latest patent reveals 58mm Lens with bright F1.4 aperture for professional use, Birth of new 58mm category – Nokoton was the first to announce 58mm lens [Amazon] and the announcement was followed-up by Nikkor 58mm F1.4 [Amazon] and finally Canon also jumped on the same boat to compete with the N 2 , the detail of the patent is below.
Description, self-interpretation of the patent literature
- Patent Publication No. 2015-172611
- Published 2015.10.1
- Filing date 2014.3.11
- Example 1
- Focal length 57.99
- F-number 1.45
- Half angle (in degrees) 20.46
- Image height 21.64
- Overall length of the lens 117.64
- BF 38.23
source – egami
By admin, on September 28th, 2015
We already know that Canon has the most advance range of AF sensor in industry (Hybrid & Dual-pixel), the entry level DSLRs uses Hybrid AF sensor that combines the Phase AF and Contrast AF technology on the other hand the pro APS-C DLSRs uses Dual-Pixel CMOS AF Tech that made up of two intelligent sub-pixels.
In general the Hybrid AF sensors uses two different technology, contrast detect and Phase Detect. The Phase Detect AF system is used for quickly locking AF on subject on the other hand the contrast detect AF system fine-tunes the AF point and enhances its accuracy.
However Canon finally wants to enhance the AF speed and accuracy to next level, they will now use light-field technology to improve the performance of the AF sensor inside the camera.
There is a big possibility that we may see a new generations of sensors based on Light – Field technology in near future with blazing fast AF speed.
Patent Image and other details
Description, self-interpretation of the patent literature
- Patent Publication No. 2015-161785
- Published 2015.9.7
- Filing date 2014.2.27
- Canon patents
- The image plane phase difference AF, the light field I comprises a
- First, it is focusing on the image plane phase difference AF
- Then, detect the focus from refocus image
- To determine the driving range from the re-focus information in the case of out-of-focus
The article may need some correction send us your feedback to contact[at]thenewcamera.com
source - egami japan
By admin, on September 26th, 2015
Better late than never, Canon finally filed a patent for a new type of internal flash for Canon DSLRs that bounces the light back just like a external flash.
Patent Details
- Patent Publication No. 2015-166789
- Published 2015.9.24
- Filing date 2014.3.4
- Canon patents
- Rotatable light-emitting part
see more canon patents here Also take a look at – Canon Rumors
source - egami.co.jp
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