What is the Efficiency of APS-C Sensor Photo Sites for Gathering Photons?

Started Jan 13, 2013 | Discussions thread
altair8800
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Re: What is the Efficiency of APS-C Sensor Photo Sites for Gathering Photons?
In reply to Karl Gnter Wnsch, Jan 14, 2013

Karl Gnter Wnsch wrote:

4thnebula wrote:

I would expect current efficiency is low (20% of photons recorded). This is just a non-engineer/non-physicist guess.

And it happens to be wrong. Current models already operate at or above 45% QE... For an in depth analysis and putting the QE into context read:

http://www.clarkvision.com/articles/digital.sensor.performance.summary/

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regards
Karl Günter Wünsch

Thanks for that. 7D looks good in most of that and great for moon shots.

Dan

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