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Forum: Bill Pierce - Leica M photog and author 02-01-2019
Replies: 33
Views: 1,130
Posted By willie_901
That's what I do. I assume you're using raw...

That's what I do. I assume you're using raw files.



Exactly.

Regardless of what camera we use the goal is to achieve the highest level of useful exposure without exceeding the full-well capacity...
Forum: Bill Pierce - Leica M photog and author 01-31-2019
Replies: 33
Views: 1,130
Posted By willie_901
They aren't. Underexposure always reduces the...

They aren't.

Underexposure always reduces the analog signal signal-to noise ratio. Exposure only depends directly on shutter time and, or aperture. This means using practical shutter times and, or...
Forum: Bill Pierce - Leica M photog and author 01-31-2019
Replies: 33
Views: 1,130
Posted By willie_901
Here's a some data. These data show read-noise...

Here's a some data. These data show read-noise levels vs ISO setting normalized for ISO gain. They estimate read-noise levels at the photo-diode level.

FUJIFILM...
Forum: Bill Pierce - Leica M photog and author 01-30-2019
Replies: 33
Views: 1,130
Posted By willie_901
ISO Invariance

What's invariant is the camera's read noise level

There are two main time-dependent noise sources.

One is the read noise which describes noise from electronic components (sensor, analog DC gain...
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