Dynamic Range -- what it is, what it's good for, and how much you 'need'

Started Oct 17, 2011 | Discussions thread
Sergey_Green
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In reply to boggis the cat, Oct 18, 2011

boggis the cat wrote:

Great Bustard wrote:

..

No, it isn't "all about total light", but total light, like DR, is an important consideration.

Hilarious!

It is.

If you understood what DR was, then you'd not be confused on this point.

Note the title of the post with the example:

"D7000 vs 5Dmk2 real shadow noise (DR) test, Mikael Risedal"

Now, who keeps claiming that "more total light means less noise"? Why, it's you, isn't it Joe?

It actually is repeated several times through the essay,

http: www.josephjamesphotography.com/equivalence/index.htm

== On the Super-Duper Quick:On the Super-Duper Quick: ==

.. the same amount of light will fall on the sensor for Equivalent photos, which will result in the same image noise for equally efficient sensors.

== Q&A ==

Q: Don't Equivalent images have the same noise?

A: If the sensors are equally efficient, then Equivalent photos will have the same noise since the same total light falls on the sensor. The question, then, is how much sensors vary in efficiency. Sensors of the same generation are usually within a half stop.

Apparently the two sensors are not equally efficient, they are not from the same year, from different makers, etc, etc .... Get the clue boggis, because you are clueless does not mean the others are.

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- sergey

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