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By admin, on July 3rd, 2015
Latest patent surfaced over the web shows a new kit lens for Canon APS-C sensor camera, the kit lens covers a excellent range starting from 15 to 105mm, take a look at the patent details below translated by google…
Explanation and self-interpretation of the patent literature
- Patent Publication No. 2015-118141
- Published 2015.6.25
- Filing date 2013.12.17
- Canon patents
- Positive and negative positive and negative positive and negative positive 7-group zoom
- Inner focus (fourth group)
Currently camera like Canon 750D , Canon 70D and Canon 7D Mark II comes with 18-135mm Kit lens, I think Canon will soon introduce this lens to add a option to users in upcoming cameras such as Canon 800D, Canon 80D and 7D Mark III.
Click here o see more Canon patents
By admin, on June 22nd, 2015
A new EF-S Lens patent surfaced over the web that shows Canon 20mm F2.8 STM Lens details, from the name it is very clear that the upcoming lens will have Step drive motor to enable fast and silent Auto Focusing,
Take a look at the details below translated via google –
Explanation and self-interpretation of the patent literature
- Patent Publication No. 2015-111192
- Published 2015.6.18
- Filing date 2013.12.6
- Example 3
- Focal length 20.65mm
- Fno. 2.88
- Half angle of view ω = 33.48 °
- Image height Y = 13.66mm
- Overall length of the lens 64.00mm
- BF 35.30mm
- Canon patents
- Negative ShiboTadashi
- The pay-out the entire
Also see – Canon to Bring Back Pellicle Mirror in Upcoming DSLRs
See more Canon Patents
src – egami.blog.so-net.ne.jp/
By admin, on June 15th, 2015
A new patent surfaced over the web, Canon fullframe lens with 10mm of focal length and F2.8 Aperture.
Patent Publication No. 2015-102620 (Google Translated)
- Published 2015.6.4
- Filing date 2013.11.22
Example 3
- Focal length f = 10.30mm
- Fno. 2.88
- Half angle of view ω = 64.54 °
- Image height 21.64mm
- Lens length 124.58mm
- BF 38.00mm
src – egmai
By admin, on June 1st, 2015
Canon latest patent revealed via egami shows a new DSLR camera that uses Canon old Pellicle Mirror technology and Electronic viewfinder.
Take a look at the patent details (translated by egami)
Explanation and self-interpretation of the patent literature
- Patent Publication No. 2015-97352
Published 2015.5.21
Filing date 2013.11.15
- Canon patents
Half mirror and the optical path division by
One of the light beam received by the image pickup device
The other light flux I receive in AF sensor
FPS of the AF sensor, faster than the image pickup device
Pixel area of the AF sensor is larger than the image pickup device
From the AF sensor and the image sensor to obtain an image to be displayed on the EVF or back display
Pellicle Mirror – Back in 1989 Canon introduced first consumer SLR camera Canon EOS RT with Pellicle Mirror, actually the Pellicle mirrors based camera offers some of the advantages over the traditional SLR / DSLR camera, since When you DSLR (Canon, Nikon, Pentax) mirror flips up when you press the shutter button, it allow the light to pass through it to the sensor / flim of the camera, but the biggest problem of the moving mirror that it creates vibration, produces noise, creates a viewfinder blackout for a fraction of second and also limits the Camera burst speed capability.
A Pellicle mirror is actually a translucent film that will remain in fixed place at middle and always reflects some of the light up to the viewfinder and AF sensor, rest of the reaming light goes to the film / sensor.
Advantage – The Major advantage is the fixed mirror tech the camera will get ultimate burst speed, the other major advantage is that doesn’t blackout the viewfinder while shooting at high speed burst mode, due to fixed mirror tech your camera remains vibration and noise free.
Sony SLT System – On Aug 24, 2010 Sony A33 was announced by Sony based on Pellicle mirror technology of Canon, this time Sony was using transparent films instead of mirrors.
 Canon next SLT camera ? I do believe Canon will select its entry level series camera to introduce the new technology, earlier they have introduced the first Hybrid AF sensor in Canon T5i / Canon 100D, similarly they will select Canon 150D / SL2 or possibly Canon 800D for the introduction SLT technology (Single-Lens Translucent ) technology and EVF, both the tech will make it more compact and handy.
Stay with us….
By admin, on May 29th, 2015
Canon may introduce world first tilt-shift lens with built in image stabilization system, asusual you can see the tilt-shift lenses are bit more complex to compared to normal lenses.
Take a look at the details below translated by google
- Patent Publication No. 2015-99216 (Google Translated)
Published 2015.5.28
Filing date 2013.11.18
- Canon patents
Anti-vibration possible tilt-shift lens
Possible anti-vibration while maintaining the tilt
A first vibration proof group corresponding to the tilt, the second of vibration proof group corresponding to the shift
Carry out the tilt vibration isolation of a shift anti-vibration, the telephoto side in the wide side
See more Canon Patents
src – egami.com
By admin, on May 27th, 2015
Canon lost the battle of Patent infringement against Intellectual Ventures, the Intellectual Ventures claimed that these two sensors [“Method of making a semiconductor image sensor” and US6,023,081 “Semiconductor image sensor.“] used by Canon are developed by them.
By Memorandum Opinion entered by The Honorable Sue L. Robinson in Intellectual Ventures I, LLC, et al. v. Canon Inc., et al., Civil Action No. 11-792-SLR (D.Del., May 18, 2015), the Court granted plaintiff’s alternative motion for a new trial regarding infringement of U.S. Patent Numbers 6,121,960 (“the ‘960 patent”) and 5,754,348 (“the ‘348 patent”) after concluding that defense counsel in his closing argument improperly played the role of expert witness by inferring from factual testimony that the accused devices did not meet the claim limitations arguments. The court found such argument to be contrary to a pre-trial agreement that defendant would not present any evidence of non-infringement, including evidence of a lack of a subjective intent to infringe, particularly given that the Court previously barred certain testimony from plaintiff’s witnesses on the topic during the trial.
Via – CW.com
By admin, on May 8th, 2015
Canon new patent surfaced over the web, the 15-85mm F3.5-5.6covers an extra ordinary range and will be extremely suitable for upcoming pro and mid range APS-C DSLR cameras, take a look at the lens details below (translated via google)
- Patent Publication No. 2015-75570
- Published 2015.4.20
- Filing date 2013.10.8
- Canon patents
- Positive and negative grain positive and negative positive 5-group configuration (Examples 1 and 2)
- 4-group configuration of positive and negative grain-positive-positive (Examples 3 and 4)
- Inner focus (the second group)
See more Canon Patents
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