Global Shutter, how important is it to you?

Now that Sony is out with a global shutter for a price premium of about $4,000.00 and we know Nikon either buys sensors from Sony or has Sony manufacture their sensor designs we know Nikon could buy a global shutter from Sony and put it into one of their Z bodies. It probably would add $4,000.00 to the current price of that body (so a $9,000.00 Z9 with a 24 megapixel global shutter - a new D3x?). We still need to see what dynamic range and noise that Sony sensor produces before we know what, if any, tradeoffs we would have to make to get a global shutter. In my opinion a global shutter would be great because of options it offers as long as there are no downside tradeoffs. But I have no need or desired use case for which I would be willing to pay an additional $4,000.00. Do you? What are your thoughts?

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Exposure and Readout: As the shutter rolls across the sensor, each row (or column) of pixels is exposed for the same duration, but the start time of the exposure varies.

Once a row is exposed, its pixels begin to convert light into an electrical charge. After the exposure time for a row is complete, the charge is read out and transferred for processing. This means that the top of the image is captured slightly earlier than the bottom (or one side before the other), creating a time lag between the capture of different parts of the image.

Data Conversion: The electrical charge from each pixel is converted into digital data using an analog-to-digital converter (ADC). This conversion process turns the analog signals (representing light intensity) into digital values that form the image.

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Image Assembly: The digital data from each row of pixels is then assembled to create a full image. Since each row is captured at a slightly different time, fast-moving objects or a rapidly moving camera can cause distortions or skewing in the image. This is known as the &#;rolling shutter effect.&#;

Resetting for the Next Exposure: Once the readout is complete, the sensor is reset to prepare for the next exposure, clearing any residual charge from the pixels.

The rolling shutter method is generally simpler and less expensive to implement than a global shutter, which is why it&#;s more commonly found in consumer-grade cameras. It&#;s particularly effective for standard video and photography where high-speed motion isn&#;t a significant factor.

However, in scenarios involving rapid movement, either of the subject or the camera, the rolling shutter can introduce artefacts like skewing, wobbling, or partial exposure effects (e.g., propellers on planes appearing bent).

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