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Canon Patent Curve Sensor - III

curve sensor patent image
This is the third time we are publishing a Canon curved sensor patent. Adding a curved sensor in DSLRs and Mirrorless in Canon camera will sure solve the prolonged problem of dynamic range in Canon cameras.

As we all know that Curve sensor mimic the shape of the human eye and collect more light in corner compared to a square sensor resulting massive increase in dynamic range of the camera. Not only better dynamic range due to better absorption of light in the sensor the low-light performance of the camera will also up-scaled to a new level.

Below you have the links of the Canon curve sensor patents #1 and #2

Canon curved sensor patent details

Patent Publication No. 2016-197663
Published 2016.11.24
Filing date 2015.4.3
Canon patent
The central portion of the light falloff is not noticeable to the flat shape
The periphery light falloff is noticeable a curved shape

Machine translated text

Canon curve sensor image

Canon of the patent application is curved sensor and the suppression of the thickness of the, is the suppression of the deterioration of the shutter efficiency of the focal plane shutter. Bending sensor in the focal plane shutter and the image pickup device since the distance of the center is long and becomes a shutter efficiency decreases, in the patent applications the image pickup device by a curved only the peripheral portion of, while suppressing lowering of the shutter efficiency, curved sensor It seems to obtain the benefits that can suppress the limb darkening of.


The plane sensor curved sensor person if it is replaced with a great camera is thought to be completed also will not a few. However, the shutter of the problem seems to be, curved sensor is the completion of the I do not yet may be ahead of the story.

source – egami

2 comments to Canon Patent Curve Sensor – III

  • check

    Do you think this will also mean that the heavy telephoto lenses will become smaller since there is little reason for the lens glass to be any bigger than the sensor itself.

  • etudiant

    Sadly no, it just means the corners of the photos will be sharper.
    The big glass in telephotos is to get enough light to produce an image from the small area that is getting pictured.

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