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Hasselblad X1D

1600 vs ISO 100 Pushed (Dolls)

Shooting at Base ISO 100 with ideal ETTR exposure is always preferred, but shooting at higher ISO can become necessary, e.g., handheld shooting and/or keeping exposure times (even on a tripod) from becoming too lengthy.

This page evaluates whether it is better to raise the ISO in camera versus shooting at Base ISO 100 with a push during raw conversion. Which approach delivers the best image quality? In-camera processing for high-ISO presumably should bring to bear all the smarts the camera designer has to offer, including (potentially) characteristics of a particular sample of the sensor.

ISO values 200 is amply 'clean', so it is omitted.
ISO 400 versus ISO 100 with 2-stop push.
ISO 800 versus ISO 100 with 3-stop push.
ISO 1600 versus ISO 100 with 4-stop push. ISO 3200 (not shown) behaves similarly, only more so.
Fake ISO values 6400/12800/25600 have other considerations, so they are omitted.

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Diglloyd Medium Format covers medium format camera systems, including the Hasselblad X1D and Fujifilm GFX.

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