How fast is the X2D electronic shutter?

Started 4 months ago | Discussions
JimKasson
MOD JimKasson Forum Pro • Posts: 41,634
How fast is the X2D electronic shutter?

I test this with a 120 cycles per second pulse width modulated LED. Each line is separated from the one before and the one after it by 8.33 milliseconds.

14 bit precision,  20 lines, 167 milliseconds scan time.

16-bit precision, 43 lines, 358 milliseconds scan time

Essentially the same as the GFX 100x.

It's late. I'll do a more complete explanation tomorrow.

Jim

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SrMi
SrMi Veteran Member • Posts: 4,200
Re: How fast is the X2D electronic shutter?

JimKasson wrote:

I test this with a 120 cycles per second pulse width modulated LED. Each line is separated from the one before and the one after it by 8.33 milliseconds.

14 bit precision, 20 lines, 167 milliseconds scan time.

16-bit precision, 43 lines, 358 milliseconds scan time

Essentially the same as the GFX 100x.

It's late. I'll do a more complete explanation tomorrow.

Jim

That matches the information shared by Hasselblad:

The X2D's sensor readout time is 166 ms in 14-bit mode and 370 ms in 16-bit mode.

etn Forum Member • Posts: 60
Re: How fast is the X2D electronic shutter?

Does anyone know if partial readout of the sensor is at all possible? This would accelerate the readout time, for instance when using crop modes. (A moot point with the X2D, as no crop mode is available - but I am interested in a more general statement here.)

I would imagine that it would require:

1) that the sensor is built for partial readout, not only full sensor readout,

2) that the camera software is developed accordingly. For instance, option 2 of the following, whereas I imagine that most cameras are programmed per option 1:

option 1: full readout of the sensor, then crop, save the crop to memory card

option 2: partial readout, no further software crop before saving to the memory card

dbateman Contributing Member • Posts: 784
Re: How fast is the X2D electronic shutter?

For a general response,  the answer is yes.

Entire sensor recording is a novel video feature.  You should watch the video by Chris and Jordan on full gate.

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