Potential dead horse: how bad is FF's deep DoF disadvantage?

Started Mar 5, 2014 | Discussions thread
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Karaya Senior Member • Posts: 2,016
Let's try to simplify this.

I was only attempting to point out that the supposed FF advantage in narrow DOF  can be a double edged sword. There are instances when a photographer will want more DOF and compared to 4/3 will have to stop down two stops, with a given shutter speed this will necessitate raising the ISO two stops for the FF camera vis a vis the 4/3 camera. Whether current FF cameras will have a 2 stop advantage over 4/3 (or, rather m4/3) at a given ISO is open to debate.

Smaller sensor cameras have the potential to close the gap with FF given lenses that are fast and sharp enough for the task. This is a real challenge to the optical engineers, no doubt, but is that not  how 35mm film became the dominant format in competition with larger formats?

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