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Canon 400mm F5.6 Lens Patent For APS-C DSLRs

canon 400mm lens image

Canon Latest Patent reveled that Canon is working 400mm F5.6 Lens for APS-C DLRS ? If you look at the translated text of the original japans patent it look like the upcoming 400mm F5.6 lens could be first Telephoto zoom lens for Canon crop sensor DSLRS.

CANON filed patent of 400 mm F5.6 reflex-mirror lens with an electrochromic ND filter for APS-C DSLR camera.

Patent Details

Public number: 2017-219642 (P2017-219642A) click here
[Publication date] December 14, day (2017.12.14)
[Title of invention] catadioptric optical system and an image pickup apparatus including the same

Specification and lens– arrangement the of Embodiment 1
Focal length: 400 mm
F No .: 5.6
2 [omega: 1.96
Image height: 13.66 mm
Back focus: 33.07 mm
Lens length: 247.73 mm * OC is an electrochromic ND filter.

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Canon Working On New Generation of Lens Adapters for Mirrorless Cameras

It’s look like Canon is working on new generation of lens Adapters. If you look at the details translated from Japanese its says “second light amount adjustment unit “. That may indicate, the upcoming lens adapter may come with built-in advance iris control while using EF / EF-S Lens to EOS M Mount.

Take a look at the details below.

Canon  newl lens adapter

An adapter is attachable between an interchangeable lens including a first light amount adjustment unit capable of changing a passing area of image pickup light, and a camera main body including an image pickup element. The adaptor includes: a second light amount adjustment unit capable of changing transmittance of the image pickup light by using a change in a physical property; and a controller controlling the second light amount adjustment unit. In image pickup mode, the controller controls the transmittance in the second light amount adjustment unit depending on an operating amount of an operation unit by a user to adjust a light amount, and in the image pickup mode, the controller converts an instruction, transmitted toward the interchangeable lens from the camera main body, to drive the first light amount adjustment unit, into a drive completion signal, and transmits the drive completion signal to the camera main body.

Inventor: – ITO SHU [JP]
Applicant: -CANON KK [JP]

Publication info: US2017295307 (A1) – 2017-10-12
Priority date: – 2016-04-12

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Canon Patent Illuminated Buttons

Canon Patnet Image

Canon is finally working on illuminated buttons for upcoming DSLRs. So, it ‘s big possibility that upcoming prosumer DSLRs Canon 7D Mark III OR Canon 1DX Mark III will have such buttons. The patent was published on 2017, In general A Patent take 1 or 2 years of time to become a real product.
We will bring more updates, see more patents

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Canon Patent 15-145mm Lens

Canon patnet image

Canon Filed a patent for 14-145mm F3.4-6.5mm lens. The website says the lens is made for a sensor smaller than APS-C and bigger then 1.5inch sensor of G1X Mark II.

Possibly the lens being designed for a compact camera, may be for Canon G1X Mark IV ?

Must see – Canon 1DX Mark III and Canon 5D Mark V to Feature Advance Display ?

Must see – Canon 6D Mark II Deals

We will update you soon as we get any new information.

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Canon 1DX Mark III and Canon 5D Mark V to Feature Advance Display ?

Canon 1DX Mark III image

Left side is Canon 1DX Mark II camera and on right side we have patent image that shows a high-end canon camera with extra large display

The New Camera Exclusive: Yes, its true that Canon 1DX Mark III and Canon 5D Mark V may have completely new Kind of display? Recent patent document suggest us Canon is working on big display units for its future DSLRs.

Take a look at the Patent details below

ventor(s): MOMOKI KAZUHIKO +
Applicant(s): CANON
Application number: JP20150228312 20151124

Description –  To provide a digital camera capable of reducing a diopter difference on an monitor with respect to an optical finder which are used simultaneously together with each other.SOLUTION: The digital camera with replaceable lens, includes: an optical finder 2 having an eyepiece lens; and an outside display device 1 for live view. The outside display device 1 is provided with a rolling mechanism which rotates upward, and a screen reversal mechanism. With this, the center of a screen of the outside display device 1 can be disposed in a right-upper part of the optical finder 2 when viewed from the back side.

As you can see in the patent images and details, a very large display screen is placed behind Canon professional body and even few controls of the camera is hidden behind the display of the camera.  Canon may be also working on is working on completely new kind external plug and play Display unit that will change the concept of LCD display screen behind the DSLRs.

One again take a look at the image another Canon Pro DSLR with Large display

Canon 5D Mark V

From the image its look like Canon large display is being placed on Canon 5D series body.

Keep in mind these images are coming from patent document & real, May be Canon is working on new breed of DSLRs ? Since few months ago we have got a rumor that Canon is preparing to announce a Video dedicated DSLR series.  In general with a time span of 2 to 3 years a patent becomes reality, So we have to wait for it.

So, at the end we can’t confirm you anything at the moment but from the images it really looks like Canon is preparing extensive display system for upcoming mirrorless professional dslrs.

Must see – Canon 6D Mark II Deals

We will update you soon as we get any new information.

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Canon New Cine Lens Patent

A new Canon Cine lens patent surfaced over the web, the lens covers 17 to 90 mm focal length with constant F4 aperture. Take a look at the patent details below

Specification and lens arrangement of embodiment 1
Zoom ratio: 5.29
Focal lenght: 17.00 to 90.00 mm
F No.: 4.00 constant
ω: 42.45 to 9.80
Image hight: 15.55 mm constant (for Super35)
Lens length; 235.17 mm constant
BF: 34.42 mm constant (NOT for EF mount)

one more image after the break

Continue reading Canon New Cine Lens Patent

Canon Patent BSI CMOS Sensor

New Camera Exclusive: Yes, Finally Canon is working on its own BSI CMOS sensor, you must know that Sony A7 R2, Sony RX1R2 and Sony A9 are the only 3 full frame cameras in the world that uses a FF BSI CMOS stacked sensor.

According to  reports, Nikon D850 BSI CMOS sensor was developed by Sony and designed by Nikon itself.

Canon and doesn’t make its own BSI CMOS sensor. According to a report published in business wire(2016) Canon is the fourth largest vendor in CMOS sensor market with 7% of total share, Sony is leading the industry and covering more than 27% of total market share.

One of the biggest problem is Canon doesn’t make its own BSI CMOS sensors, (backside illuminated sensor) Sony and Omni Vision are the two leading sensor makers who are making BSI CMOS sensors for smartphones and cameras, Samsung is also has its own version of BSI CMOS sensor as well as a ISO cell sensors used inside flaship is a Smartphone and other smart devices.

Canon Patent BSI CMOS Sensor

Canon is working on its own version of BSI CMOS sensor. That clearly indicates that we will soon see new versions of DPAF BSI CMOS AF sensors soon. Take a look at the translated version of Patent documents

Patent Details

Patent Pub Date: 2017-06-15
Bibliographic data: US2017170230
Patent no: US201715442940 20170227

 

Canon BSI CMOS Sensor

Take a look at the translated text below
A back-side illumination image capturing apparatus includes a semiconductor substrate having a first surface for receiving incident light and a second surface located on the opposite side as the first surface, and including a photoelectric conversion portion, and a gate electrode disposed above the second surface. The apparatus further includes a first insulating layer disposed above the second surface of the semiconductor substrate, an interlayer insulation film disposed on the first insulating layer, a contact plug connected to the gate electrode, and a light-cutting portion for cutting light, of the incident light, that has passed through the photoelectric conversion portion. The light-cutting portion passes through at least part of the interlayer insulation film. The first insulating layer is located between the light-cutting portion and the semiconductor substrate.

See additional images

Canon BSI Sensor image

 

We are the world first website to bring this news to you.

This not the first time – We have also published Canon BSI CMOS patent January 23rd, 2012

Nikon isn’t too far, they are also working on BSI CMOS Sensor, having similar AF system as of Canon. See here

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