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05-12-2021, 03:24 AM   #1
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pixel shift mode - multiply resolution

Hi all!

I have been searching for a while but I cannot find any photos from k3 III with pixel shift res.
Well, ok I have found it but all of them are 26mpx . As far as I remember in K1 it is possible to multiply resolution 4x in this way. Is it possible now in K3 III?

Regards,
K.

05-12-2021, 03:37 AM   #2
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QuoteOriginally posted by krzys128 Quote
Hi all!

I have been searching for a while but I cannot find any photos from k3 III with pixel shift res.
Well, ok I have found it but all of them are 26mpx . As far as I remember in K1 it is possible to multiply resolution 4x in this way. Is it possible now in K3 III?

Regards,
K.
Pentax Pixel Shift doesn't multiply resolution. It rather removes Bayer array dependency and delivers absolute sharpness only limited by lens and sensor, less noise and maximum dynamic range
05-12-2021, 09:43 AM   #3
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QuoteOriginally posted by krzys128 Quote
As far as I remember in K1 it is possible to multiply resolution 4x in this way. Is it possible now in K3 III?
Perhaps in an alternate reality, but in this universe, pixel resolution for pixel shift is always the same as that for the sensor.


Steve
05-12-2021, 09:43 AM   #4
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QuoteOriginally posted by krzys128 Quote
As far as I remember in K1 it is possible to multiply resolution 4x in this way. Is it possible now in K3 III?
Perhaps in an alternate reality, but in this universe, pixel resolution for pixel shift is always the same as that for the sensor.


Steve

05-12-2021, 03:49 PM   #5
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QuoteOriginally posted by krzys128 Quote
Hi all!

I have been searching for a while but I cannot find any photos from k3 III with pixel shift res.
Well, ok I have found it but all of them are 26mpx . As far as I remember in K1 it is possible to multiply resolution 4x in this way. Is it possible now in K3 III?

Regards,
K.
you may be thinking of other brands. Olympus and Sony both upsample the pixel count which can still lead to demosaicing artifacts though at that high MP a downsize with a good resampling filter should fix it. Pentax upsamples the subpixel array which gives you the full RGGB array for each pixel, theoretically eliminating any demosaicing artifacts.
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