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Several years ago, I tried a CMOS-based webcam and it really sucked. It needed an extremely brightly-lit room to work. Around the same time, I also tried a CCD camera and it worked great. But since then, I've heard that CMOS technology has advanced considerably.

Is it still the case that CCD webcams will give you a better picture, or can CMOS webcams also produce a picture of similar quality at moderate to low light levels? What type of camera is used in modern integrated webcams and cameras? If CMOS cameras actually are competitive these days, how do you tell if a webcam has a newer-generation CMOS sensor instead of one of the older sensors?

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closed as off-topic by fixer1234, DavidPostill, Scott, agtoever, BlueBerry - Vignesh4303 Sep 11 '15 at 10:10

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question is not about computer hardware or software, within the scope defined in the help center." – fixer1234, DavidPostill, Scott, agtoever, BlueBerry - Vignesh4303
If this question can be reworded to fit the rules in the help center, please edit the question.

up vote 1 down vote accepted

Almost all webcams are CMOS.
CCDs are capable of better uniformity but CMOS is almost as good - the Canon EOS 5 MkII is CMOS.

For a given size of lens and sensor the more pixels you have to cram in the lower the signal to noise, so a $20 webcam that claims to have 5Mega pixels is sacrificing something.

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