Patent: APS-C Compact Lens Optical Formulas

A patent showing three different optical formulas for APS-C sensor cameras has appeared. According to Canon News, this patent is missing some good information that would help narrow down what these embodiments are for.

Patent: Increased Precision of Shake Correction

From Canon News, a highly detailed patent application from Canon shows how to increase the precision of the velocity sensors inside the camera to increase the accuracy of image stabilization. This patent application shows Canon is improving the shake that happens with motor and mirror movement as well as when the lens is zoomed. The Read more...

Patent: Optical Formula for New EF 24-70mm f/2.8L

Northlight has uncovered a patent relating to a zoom lens design with two aperture stops. Within the patent are two different optical formulas, one for an EF 16-35mm f/2. 8 and another for an EF 24-70 f/2.

Patent: New EF-S 18-55 With an LCD Display?

A patent has surfaced pertaining to aberration reduction in interchangeable lenses. Unrelated to the patent is an image showing an EF-S 18-55 kit lens with what appears to be an LCD display like we have seen on the Canon EF 70-300mm f/4-5.

Patent: New Canon Mount Coming?

A patent for serial communication for an ILC mount that is neither EF or EF-M. Canon News tried their best to translate a rather awkward patent. …… is seemingly suggesting that this mount could handle multiple lenses of both a new mount and old mount format.

Patent: More Work Being Done on Organic Sensors

Are organic sensors the next big thing in sensor technology? They could be. Canon along with other companies continue to put resources into their development US Patent20180138432from Canon News: Canon continues to research organic photo electric elements, this one goes into a little more details, and discusses an actual sensor more so than prior patent Read more...

Patent: Diffractive Optics Element Improvements

We continue to see new patent applications for diffractive optics technology. We’re all still waiting to see if the EF 600mm f/4 DO IS will become an actual consumer product, or if Canon is going to take things in a different direction.

Patent: More Diffractive Optics Supertelephoto Formulas

Canon News has uncovered another diffractive optic patent for supertelephoto optical formulas has shown up at the USPTO. This patent covers the following: EF 200mm f/2 EF 400mm f/2.8 EF 800mm f/5.6 Canon continues to work away at more and more diffractive optics development, but we’re still waiting to see new products come to market. Read more...

Patent: Lens Mount Adaptor For Different Flange Distances

Northlight has uncovered a USPTO patent application that shows a design for a lens mount adaptor that allows for different flange distances with different adaptors. The patent covers a lot of options, so this may be part of many more patents that deal with adaptors and lens mounts. This patent also covers options for including Read more...

Patent: Panning Assist Using Image Stabilization

Northlight has uncovered a USPTO patent that discusses using image stabilization to compensate for panning errors. Northlight explains: The idea is to use the IS system to compensate for panning errors as well as camera shake.

Patent: Cinema EOS Camera With Hybrid OVF/EVF Viewfinder

This has certainly been a very busy week for interesting patents. Canon News found another interesting one, it looks to be a development of an OVF/EVF viewfinder for a Cinema EOS camera. From Canon News: The mirror is cut out around the sensor, and an EVF is used to “fill in the hole” where theactual Read more...

Patent: Canon EF-S 18-300 f/3.5-5.6 IS Optical Formula

I’ve never been a big fan of Canon’s EF-S 18-200mm f/3. 5-5. 6 IS (terrible zoom creep, dust collector, not all that good optically) and would very much like to see a replacement, which I think is long overdue.

A Weekly Round-Up of Canon Patents

CanonNews released their weekly roundup of Canon patent applications. This week has some touch screen and sensor related improvements as well as a few other miscellaneous camera related patents. In particular, two patent applications for diffractive optical element manufacturing certainly show that Canon is continuing to push forward in advancing diffractive optics.

Patent: Canon 24-70 f/2.8 Optical Formula and More

A patent showcasing a host of optical formulas from Canon has appeared over at Canon News. These patents deal with small focusing groups that allow for light and fast autofocus performance, perhaps more geared to STM than to USM motors being used.

Canon Patent Application: Apodization Filter lenses

Canon has applied for a patent on some apodization lenses for the EF mount. The following lens embodiments are included in the patent application; 50mm 1.4 35mm 1.4 24mm 1.4 US Patent Application 2018-0067333  

Patent: Improved Eye Detection on Viewfinders

A patent showing improved eye detection for viewfinder showing conserving battery life based on how and when the LCD turns off. From Canon News: This patent uses a combination of sensors to detect if the LCD is open, viewable or tucked away to determine the distance thresholds automatically. For instance, if you have the LCD Read more...

Patent: Improved Flare Control For DO Elements

A patent showing how to improved flare control with DO elements has appeared. This goes along with some of the recent flare control patents we’ve seen for standard supertelephoto lenses. This patent notes continued flare improvement for a 70-300 DO lens according to Canon News From US Patent20180045975: An image pickup apparatus for the long Read more...

Patent: Improvements for Dual Pixel AF

It looks like the next version of Dual Pixel AF is being developed according to the latest patent on the subject. Canon News notes: This patent goes heavily into the “methods of manufacturing” the improvement, detailing layer by layer how the image sensor is fabricated.

Patent: Ultra Wide Angle Lens for APS-C Mirrorless

A patent showing ultra wide angle optical formulas for APS-C mirrorless cameras has appeared. Optical Formulas: 18-45mm f/3.5-5.6 IS 9-18mm f/4-5.6IS 11-30mm f/3.5-5.6IS 10-20mm f/4-5.6IS Canon News notes that the lens element designs look like they could be collapsible.

Patent: Improving Computational Photography With DPRAW

We posted yesterday about a utility that looks to improve the dynamic range in the EOS 5D Mark IV, but using the two DPRAW exposures to blend a single exposure. One of the issues that arises when doing this is getting parallax errors.

Patent: Canon Patent Showing Wireless Charging of Cameras

A patent is making its way around the web today that shows Canon cameras being charged wirelessly, the patent application itself is from 2015 and was awarded in July of 2017. Canon already showcased wireless charging back in 2015 at the Canon EXPO.

Patent: More Supertelephoto Optical Formulas

Another set of Supertelephotos has appeared in a Japanese patent application. Japan Patent Application2018-018101 EF 300mm f/2.8L EF 400mm f/2.8L EF 500mm f/4.0L EF 600mm f/4.0L EF 800mm f/5.6L We’re expecting new supertelephoto lenses some time in the next 12-18 months.

Patent: The Mirror Box Isnt Dead Yet

Canon has filed a patent at the USPTO for a new mirror box design. This new mirror box adds speeds and a reduction in bounce. There are a lot of parts to a mirror box assembly, and it’s easy to see how the remove of this complex system could greatly reduce the cost of production Read more...

Patent: Fingerprint ID on Your Cameras and Lenses

Here’s an interesting patent from Canon. This patent covers fingerprint ID on your cameras and lenses that can control custom functions such as IS, AF and likely anything else you can think of.

Patent: Canon APS-C CINI Soft Focus Zoom Lens

As we dig through all of this “new camera” chatter from recent days, we continue to be reminded of patent applications over the last few months. This one is for a soft focus Canon EF-M 15-45mm f/3.

Patent: ND Filter Adapter for Mirrorless Cameras

I was speaking with others about today’s article about a new type of camera coming from Canon, and it looks like this patent could be related to the new EF/EF-S > EF-M adaptor. This patent application was published back in October of 2017.

Patent: DPAF Curved Image Sensor

A patent showing a curved sensor equipped with DPAF has appeared, like the stacked sensor patents, curved sensors appear to be getting closer to being brought to a product. Canon News interpretsJapan Patent Application2018-014657: The sensor uses a piezoelectric device to drive the shape change of the curved sensor and has strain gauges (219) to Read more...

Patent: Multi Level Sensor With Photo-Luminescent Component

Northlight Images has uncovered another multi layer sensor patent from the USPTO. This one seems to show a layer of the sensor that actually emits light. Northlight translation of the image above: Light comes in through a conventional colour filter and reaches the first conversion layer, where some of it is converted to electrons. Some Read more...

Patent: Optical Viewfinder for Mirrorless Camera

Here’s a strange patent application from Canon, an optical viewfinder adaptor for a mirrorless camera. Canon News breaks down Japan Patent Application 2018-005126: This adapter would provide the half mirror assembly that would split the optical path between the image sensor and the viewfinder, and allow for simutaneous use of the image sensor and that Read more...

Patent: EF 15mm f/4 & EF-M 9.5mm f/4

A new patent showing an optical formula for a new wide angle prime has appeared. The full frame lens in the application is an EF 15mm f/4, while the APS-C optical formula of a EF-M 9. 5mm f/4 shows a shorter backfocus than an EF-S lens and could actually be EF-M.

Updated: Patent: EF 15mm f/4 & EF-M 9.5mm f/4

Update: Canon News has dug a bit further and come to the conclusion that these optical formulas are for a fisheye due to the lenses having a 175 degree field of view. A new patent showing an optical formula for a new wide angle prime has appeared. The full frame lens in the application is Read more...

Patent: Canon EF 85mm f/1.8 & EF 100mm f/1.8

A patent showing 4 new optical formulas for EF prime lenses has appeared. Japan Patent Application2018-005133 shows the following: EF 50mm f/1. 8 EF 85mm f/1. 4 (Not the same as the EF 85mm f. 1. 4L IS) EF 85mm f/1.

Patent: Canon EF-M 9-18mm f/4-5.6

A new ultrawide zoom lens for APS-C EOS M cameras has appeared. This may be a replacement for the excellent EF-M 11-22mm f/4-5. 6 IS STM. The only knock against that lens is that it’s not wide enough.

Patent: More Ultra Wide Zoom Lens Patents

Canon is clearly working on new ultra wide zoom lenses to add to the lineup, we have yesterdays patent showing a EF 17-35mm f/4-5. 6 IS STM and today we see a patent application that covers 6 different ultra wide angle zoom optical formulas for APS-C sensors.

Patent: A New Type of ASC Lens Coating

A Canon patent application shows what looks to be expanding on ASC (air sphere coating). As you can see in the image below, ASC in fact looks like little bubbles From Japan Patent Application:2017-167271 To provide an optical member having an anti-reflection film with high strength, uniform refractive index distribution, and low scattering, and a Read more...

Patent: Canon EF 17-35mm f/4-5.6 IS STM

We’ve heard some chatter that Canon would continue to develop it’s non-L zoom lenses for full frame camera lineup and this patent for an EF 17-35mm f/4-5. 6 IS would seem to fit into that segment.

Patent: Canon Stacked Image Sensor Technology

Keith over at Northlight has uncovered more sensor related patents. The first patent uses a stacked sensor design to move AF and liveview data handling off the sensor part of the chip, to allow switching between them – faster and lower power.

Patent: Canon 400mm f/5.6 Mirror (Catadioptric) Lens

A patent application showing a new mirror lens design from Canon is confusing to say the least. I figured the days of the catadioptric lens were well behind us, but here we are. Specification from the patent: Focal length: 400mm Aperture: f/5.6 2 Read more...

Patent: Autofocus Related Patent Applications from Canon

For the folks that love reading/translating patents, here are three new ones uncovered by Northlight that are related to autofocus technologies. Summarized by Northlight: [USPTO] Refining AF to correct for lens chromatic aberration.

Patent: Canon EF-M 15-45mm f/1.8-3.5

A patent showing a faster version of the EF-M 15-45mm has appeared in the form of three separate optical formulas. EF-M 15-45mm f/1.8-3.5 EF-M 15-45mm f/2.0-4.0 EF-M 15-45mm f/2.8-5.0 Canon News Summarizes: It also looks like it may be the first canon lens patent application that I’ve seen that specifically mentions that distortion abberation control Read more...

Patent: EF-S 15-300mm & EF 28-550mm Optical Formulas

A patent application covering two optical formulas for both a full frame and APS-C superzoom have surfaced in Japan. Full Frame: 28-550mm f/3. 5-6. 3 APS-C:15-300 f/3. 5-6. 3 I think it’s more likely that we see a replacement for the EF-S 18-200mm f/3.

Patent: Canon Application for a Hybrid Viewfinder

It appears that Canon is continuing R&D into some kind of hybrid viewfinder for DSLRs. Canon News has uncovered a recent Japanese patent application from Canon for a hybrid viewfinder. Patent Summary: This one is a clever application where the EVF moves up with the mirror, to show the EVF image through the viewfinder. This Read more...

Apple Patent Shows an iPhone Turning Into a MacBook

Want to process your iPhone photos for Instagram on a laptop without having to transfer any files? In the future there may be a crazy new way you can do so. Apple has patented a new “accessory” that transforms a cell phone into a full-fledged laptop. Filed in September 2016 and published on March 23, […]