Tagged Questions
19
votes
8answers
857 views
Should higher ISOs really be preferred (all other things being equal)?
My understanding of the ISO setting on digital cameras is that, unlike film-cameras, changing the ISO does not evoke any physical change in the camera. Rather, it simply tells the camera to multiply ...
7
votes
3answers
249 views
Variable ISO Sensor: Possible and/or Useful?
This answer to the question about how ISO is implemented in digital cameras seems to imply that each photosite (i.e., pixel) can have its ISO set independently. If this is true, then I would think ...
20
votes
3answers
1k views
Why can't the ISO level on most digital cameras be set below 80?
Why is it that the ISO level on most digital cameras doesn't seem to go lower than ISO 80?
I understand (vaguely) that the sensors adjust the gain in order to achieve the equivalent of a high ISO ...
