Re: [Openexr-devel] Query: Image Based Lighting and HDRI-enabled cameras

[Anders Dahnielson]

> Zap> Anyway. The QUESTION is, is there... or can there be built, a
> Zap> camera that works like e.g. the 24p cameras George Lucas used on
> Zap> Episode II... but that shot in HDRI *directly*?
> 
> You don't want that.  You want raw data from the sensor.  Then you
> can convert it to hdri at your leisure, w/o losing anything.

I'm trying to figure out how to translate and express dynamic range into
f-stops based on dB values in CCD image sensor specifications.

Can a CCD with 60 dB be expressed as having 20 f-stops of dynamic range?

Or am I totaly off base?

--
Anders Dahnielson
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