Newsmeldung von slashCAM: Panasonic developed MOS sensor with 140dB Dynamics of rudi - 26 Feb 2009 10:14:00
It is so people who say that after the crisis of a huge technology push will benefit. Such technology could just developing new MOS Sensor of Panasonic's. This is an incredible dynamics of which approximately 140dB, resulting in a very dark Recording both as synonymous very bright image parts can occur without too overstated or abzusaufen. An example image in which a burning light bulb will be photographed, in any case looks quite impressive from. This could be the last advantage of analog film to digital recording technology fall.
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Antwort von SixFo:
anyway it's only a matter of time until celluloid recording of digital media is "finally ...
Antwort von domain:
Well, what it all marketingmäßig proclaimed, one must practice in the first test and verify the real impact and observe and analyze.
Consider only that audio enthusiasts a signal / noise ratio of at least 90 dB relative to zero is in fact mandatory. What remains for us poor chute in the video area?
Not much more than that of the entire dynamic range of the sensational new chips no more than 140 total is DB?
Also, approximately 100 + 90 DB distance to the noise, that would of course already was.
Antwort von WoWu:
Dynamics are always areas of the Aussteuerungsspitze until the signal is evaluated s.dem the background noise (Noise) wanted more than the smallest.
How are you at 140 +90 db?
Antwort von domain:
The thoughts I have mistake and noticed your reply before posting the amended.
Antwort von WoWu:
Well yes, but even 190 ...?? We are now in the cameras at 50-70.
Since I find 140 very strong. If we vary the quality of today's cameras will want to keep, we are already at 14-bit.
That would be the next generation.
Antwort von domain:
Is already clear, but with all this discussion can see what really DB of -140 to hold, namely that such a signal times just to stand out from the general noise would be practically unusable.
Antwort von WoWu:
The sensor and I do not even understand it, that he is "in one go," which HDRC sensors because there are quite a few years, but the high readout speed MOS sensors also allows, within a few ms of several recordings during the Exposure phase with different loads to do and so a quasi-dynamic aperture built, which, as here, a dynamic aperture of 25 Apertures allow.
Another advantage of high speed readout of course, is that motion blur almost completely be eliminated.
And because the noise in photodiode near the saturation field decreases such sensors can always be in areas with good S / N values are operated.
So have a very nice step forward, which conventional sensors are currently not able to offer.
Antwort von domain:
An interesting development, it is all, especially because the capabilities of existing sensors do not reach the eye.
This creates loose and without adaptation stops 14, ie about a contrast of 1:10 000.
In pictures and in the paper printing it will bring nothing, because the contrast range for all times with max. 1:200 is limited, but in the play sector in the active display already looks quite different.
So langfistig is a 16 bit encoding with a reproduction of which are already synonymous of good projectors and corresponding positive films can be achieved, namely approximately 1:10000
Antwort von WoWu:
Well, the eye is not so great about the ability of contrast, without adaptation, it would just create a 35 dB, ie approx. Apertures 12 or 1:4000.
And whether we ever adaptation of the eye after technically can form ... I do not know how and why are pictures we artificially with a higher Dynamics after forming, always slightly like "doll room" look.
(nice and colorful).
