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By admin, on April 22nd, 2016
The Canon DO lens technology helps to create smaller and compact lenses and we already have fullframe DO Lenses for EF Mount camera. But for the first time we came to know that Canon is working on a EF-M and EF-S mount DO lenses.
 Both the lenses shares approx same core specification, The lens focal length 50-300mm, aperture range F4.5-6 DO and features STM (stepping motor for silent AF operation). However, both the lenses are missing Image stabilization and it will be bit hard to capture handheld shots at 300mm.
Description, self-interpretation of the patent literature
- Patent Publication No. 2016-57444
- Published 2016.4.21
- Filing date 2014.9.9
- Example 1
- Zoom ratio 5.59
- Focal length 51.77 135.00 289.53
- F-number 4.65 5.05 5.85
- Half angle of view (degrees) 14.78 5.78 2.70
- Image height 13.66 13.66 13.66
- The total lens length 126.05 169.37 184.15
- BF 35.50 35.50 35.50
- Example 2
- Zoom ratio 5.90
- Focal length 49.13 135.00 290.00
- F-number 4.65 4.95 5.85
- Half angle of view (degrees) 15.54 5.78 2.70
- Image height 13.66 13.66 13.66
- The total lens length 108.00 152.12 168.00
- BF 15.69 15.69 15.69
See more Canon Lens Patent
source egami
By admin, on April 21st, 2016
Canon finally got a way to add a WiFi antenna inside Canon PRO DSLRs Bodies (made up of metal cabinet). We all know that Canon 1DX Mark II camera does carry GPS functionality inside but no WiFi and same as Canon 5D Mark III.
Earlier we have told you it is very difficult to add WiFi inside magnesium alloy based bodies the metal bodies of the camera not allow WiFi to work properly.
But In the latest patent raveled by Egami today , Now Canon is able to place WiFi antenna just below the viewfinder of the DSLR camera.
It also double confirms the rumor that Canon 5D Mark IV is coming with butil in WiFi and GPS module.
Take a look at the patent details below translated by google
Patent Publication No. 2016-53665
- Published 2016.4.14
- Filing date 2014.9.4
- Magnesium alloy
- Providing a GPS module to the finder part
- To protect the GPS module in the wireless communication lid made of a synthetic resin material
- The GPS module and the warship portion connected by high thermal conduction efficiency copper foil tape, heat away
Also take a look at the recent patent done by Canon, Al glimpse of Canon future technology is available here.
Also see – Canon 6D Mark II Coming in Q1 of 2017
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source – Egami
By admin, on April 19th, 2016
Latest patent surfaced over the web is of a Ultra Wide-angle zoom lens for APS-C Mirrorless camera. The Lens features focal-length 9-18mm, a very important range that a professional Landscape and architecture photographer always uses.
The other most important part of the patent is Canon optimized the super wide-angle zoom lens for less correction of the distortion, we will put more details as soon as it become available
Patent details translated by google
- Patent Publication No. 2016-54371
- Published 2016.4.14
- Filing date 2014.9.3
- Example
- Zoom ratio 1.90
- Wide-angle intermediate telephoto
- Focal length 9.22 14.05 17.50
- F-number 3.39 4.04 4.63
- Half angle of view (degrees) 53.07 44.12 37.91
- Image height 12.27 13.63 13.63
- Overall length of the lens 89.68 83.60 86.84
- BF 14.22 15.78 16.00
- Canon patent
- Upon correction of the distortion, providing a constraint on stretching amount at each image height
- Properly set the curve shape of the distortion aberration
Do contribute us if you have a better translation, more patents are available here.
By admin, on April 15th, 2016
Latest patent document surfaced over the web suggest that Canon is working on a EF-S16-80mm F2-6 STM Lens, the lens is designed and developed for APS-C DSLR cameras.
Take a look at the patent details below translated by google
Description, self-interpretation of the patent literature
- Patent Publication No. 2016-51137
- Published 2016.4.11
- Filing date 2014.9.2
- Example 1
- Zoom ratio 4.71
- Focal length 16.09 41.83 75.78
- F-number 2.07 5.15 6.00
- Half angle of view (degrees) 36.26 18.01 10.17
- Image height 11.80 13.60 13.60
- The total lens length 100.68 110.04 120.89
- BF 15.19 27.94 26.84
The 16-80mm F2-6 lens may arrive in future as a kit lens with Canon 90D or Canon 7D Mark III camera. The lens features excellent wide-angle max aperture range and stepping drive motor for fast and silence auto-focusing.
Do share your thoughts with us – See more Canon Patents
source – egami
By admin, on April 11th, 2016
 Canon EF 12-20mm F4 Lens patent surfaced over the web, the lens covers a super wide-range starting from 12mm to 20mm and features constant F4 aperture, more details see the patent below
canon patent.pdf by newcamera
Via – canonwatch
By admin, on April 8th, 2016
Latest patent information suggest that Canon is now in the mood to make it’s Image Stabilization system more effective by adding Dual Lens image stabilization elements inside the Lens Barrel.
The Dual IS trend is started by Panasonic by adding IS mechanism to its camera and lenses both. The 5 axis Sensor IS synchronizes with Lens based optical IS system to combat camera shake.
The Canon is working on bit different technology, the are putting two different IS units inside the lens, The patent details are below translated by google
Description, self-interpretation of the patent literature
- Patent Publication No. 2015-203862
- Published 2015.11.16
- Filing date 2014.4.16
- Canon patent
- Equipped with two vibration proof group
- Shake detection, determine the amount of correction from the shooting information
- Obtaining correction amounts of the two vibration proof group from the magnification ratio and the distance information of the lens
Do share a better translation if you can, share your thoughts with us.
Also take a look at – Canon Patent of Hybrid Viewfinder
source – egami
By admin, on March 23rd, 2016
Recent patent surfaced over the web shows a Canon Hybrid viewfinder, you can see Canon added a extra display element in the viewfinder that will reflect all required information to the user in eyepiece. Hence user can enjoy the display information in the viewfinder while keeping eye on subject,
 Patent details
Description, self-interpretation of the patent literature
- Patent Publication No. 2016-35525
- Published 2016.3.17
- Filing date 2014.8.4
- Canon patent
- During the pentagonal prism and the eyepiece optical system, providing two optical surface inclined
- Since the light from the objective optical system is transmitted through the two optical surfaces, the photographer can observe the object
- Since the light from the display optical system reflects the second optical surface and the first optical surface, the photographer can observe the display information
- Display panel, display the shooting information at the time of the mirror-down, to display a live view image at the time of the mirror-up
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