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Ccd Vs Cmos; CCD vs CMOS
Topic Started: Jun 29 2009, 12:30 PM (1,236 Views)
vibranze
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Rusty Mod

Currently reading the Langoford's Advanced Photography book and found the CCD and CMOS advantages/disadvantages table and it shocked me. I thought CMOS should produce lower noise photo compare to CCD? :unsure:

Posted Image

And some googling also led me to the same info.

http://electronics.howstuffworks.com/question362.htm

Should I change my believe that CMOS is better than CCD? And the reason C uses CMOS in all of their DSLRs is because of CMOS fabrication costs are lower and not because they want to produce better DSLRs?
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Ming
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I think someone is already working on combining them both into one new Hybrid .
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vibranze
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Oh really? Really great if it can be realized :thumbsup1:
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Willis
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All boils down to dollars and cents...as usual...

My opinion so far, those that I have tried, CCD is still currently better than CMOS.
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mahojazz
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wow. in future there may be full frame CCD cam.
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XkaOnslaught
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i think that particular article is pretty old, because i remember reading something similar to this.

this was written when i believe CMOS was still early in its life. thus cameras were being dominated by CCDs, especially by fuji's 3CCD shimazigg.
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Galdor
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Willis
Jun 29 2009, 01:28 PM
All boils down to dollars and cents...as usual...

My opinion so far, those that I have tried, CCD is still currently better than CMOS.
Agree with you bro. CCD seems to be better than CMOS although CMOS has lower noise but the colours on a CCD cam are superb. That's the reason why I still prefer to use my KM 5D and 7D. ;)
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vibranze
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Rusty Mod

I heard ppl said CCD produce better image than CMOS and CMOS is lower noise but the table from the book mentioned CCD is lower noise which is totally different with what I know so far.

I think the hybrid sensor mentioned by Ming is already here, quoted from 'Better Available Light Digital Photography' book:

"The chips that Olympus calls Live MOS are actually NMOS technology chips used by Olympus and other members
of the Four Thirds consortium. They are CMOS chips that combine some of the advantages of CCD with those of
CMOS. NMOS (negative-channel metal-oxide semiconductor) is a type of semiconductor that is negatively
charged so its transistors are turned on or off by the movement of electrons. By contrast, PMOS (positivechannel
metal-oxide semiconductor) works by moving electron vacancies. NMOS is faster than PMOS."
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Galdor
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I'm just a Newbie Cameraman
This article may be outdated. CMOS & CCD have existed for some time and at one time, CCD was indeed much better than CMOS, that's when most of the cameras used CCDs. Then, CMOS's progress made a breakthrough and now it performs better than CCDs and more cams are using CMOS.
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vibranze
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Rusty Mod

I see, hope it is true bro:)
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