Exposure control in a raw developer: misnomer?

Started Jan 30, 2013 | Discussions thread
bobn2
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Re: Density of light
In reply to Joofa, Feb 1, 2013

Joofa wrote:

Great Bustard wrote:

http://www.merriam-webster.com/dictionary/density

2: the quantity per unit volume, unit area, or unit length

http://en.wikipedia.org/wiki/Light

In common with all types of EMR, visible light is emitted and absorbed in tiny "packets" called photons

Combining the two, we have exposure:

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

The exposure is the density of light (total light per area -- photons / mm²)

...

Seems like there's plenty of "proper qualification" going on, and seems even more clear that the proponents of such terms fully understand what they are trying to say.



Under ordinary setups we don't see photons.

define what you mean by 'see'.

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Bob

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