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Old 06-11-2014, 09:05 AM
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Low read noise CMOS cameras on the way

From a friend in the biosciences biz: http://www.andor.com/pdfs/specificat...ifications.pdf

0.9 e- read noise, good QE and well depth. Price is apparently not completely ridiculous. I'd love to see bigger sensors, of course

Cheers,
Rick.
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Old 06-11-2014, 09:33 AM
rally
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90db of dynamic range at 72% Qe - sounds good !
Spectral response is just OK though
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Old 06-11-2014, 11:45 AM
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Saw a brochure on these in March. Very interesting stuff.
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Old 06-11-2014, 12:24 PM
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My friend is getting one at work so it may find its way onto a scope one weekend
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Old 06-11-2014, 12:35 PM
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The 100 fps is of real interest with the low noise and QE. I was investigating a planetary camera but the price was a bit much at the time.
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Old 06-11-2014, 01:07 PM
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They are still expensive in single qtys (slightly > $10K) but no doubt the prices will come down.
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Old 06-11-2014, 01:11 PM
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Yes no doubt about that. At some point the price will come down.
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Old 06-11-2014, 02:24 PM
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I've been waiting for Scientific CMOS to become more widely available now for 4 years. I'm not impressed with their current availability. I got a price on the 5MP version not long after I moved to Australia in 2011 - $27,000! I got a call back the next year asking me if I was interested at the price of $17,000. I would have hoped by now that they were well under $8K. They are made with only a slightly more expensive process than standard CMOS (a few more metal layers).
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Old 06-11-2014, 02:33 PM
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Quote:
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They are made with only a slightly more expensive process than standard CMOS (a few more metal layers).
The problem will be the relatively small volume.
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Old 06-11-2014, 06:07 PM
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can't wait!! - well actually I can until they get a bit more affordable.

I look forward to 10 second DSO subs. No more guiding and all the mount will need to do is keep the OTA pointing in sort of the right direction - alt/az will be fine.
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Old 06-11-2014, 06:12 PM
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can't wait!! - well actually I can until they get a bit more affordable.

I look forward to 10 second DSO subs. No more guiding and all the mount will need to do is keep the OTA pointing in sort of the right direction - alt/az will be fine.
Next we need to find a cure for shot noise
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Old 08-11-2014, 09:23 AM
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The problem will be the relatively small volume.
Absolutely, I guess even if they took over the scientific market with these they wouldn't be getting more than a couple of thousand sales a year - hardly enough to cover a batch of wafers.

I had hoped that there would be some sort of pro-sumer product that would have wider appeal, but everyone's gone in for the mega-pixel craze, and the silicon die size for these sCMOS chips is very large by comparison to a standard CMOS detector, so they'll always be at a disadvantage to those who wish to push the high-MP sensor.
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