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Old 16-04-2014, 06:01 AM
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gregbradley
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[QUOTE=Shiraz;1072797]The cameras have quite different chips Greg. The 205 chip in the 314e has a little over half the QE of the 285 in the 314L. The 205 pixels are just over half the area of those in the 285. Putting these factors together, a mono 314L would be about 3.5 times as sensitive (per pixel) as a mono 314e. 2 out of every 3 photons will be lost through absorption in the Bayer matrix of an OSC 314L, reducing the sensitivity to 1/3 that of a mono version, but it will still detect more photons per pixel than the mono 314e - and it will provide full colour into the bargain. When you add in the time required to get colour data with the mono 314e, you should expect to spend about twice as long as you would with the 314L OSC for similar signal to noise.


Sorry Ray, I didn't know there were different chips in the 2 models as they are both named 314.

Greg.
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