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Juan Parménides , May 26, 2006; 11:25 a.m.

Wasting a little bit of your time, can someone explain why I am so confused and I must suppose that CMOS is better than CCD (the Nikon D2X and Canon EOS 1DS MKII are CMOS) if theory about this is not exactly the same?. As an example a 59.000 Euros Video Camera, the Sony HDV 750P, is CCD equipped. Cheers.


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Dave Lee , May 26, 2006; 11:34 a.m.

Well if you look at the tests on dpreview of the Nikon D200 (CCD) and the Canon 20D and 5D and Nikon D2X (CMOS) you'll see that CMOS isn't better it is just a different way to get an image. I don't understand why people think one is better than the other. Canon makes its own in house sensor chips, Nikon licenses the usage from Sony and Sanyo.

Some say one is better than the other, I say who cares, go out and shoot.


Eric Friedemann , May 26, 2006; 12:04 p.m.

Edward Ingold , May 26, 2006; 12:09 p.m.

CMOS (Nikon uses JFET technology) is faster to offload than a CCD and uses much less power. Some operations can be performed in the sensor itself rather than after extracting the image. The quality is equivalent to that of the CCD, and is likely to surpass the CCD in the near future.

Video cameras have different needs and technologies than high-end DSLRs. The same sensors are used in much cheaper DVCams too (e.g., the $10K Sony), and similar but smaller sensors in the model 170 and 250 cameras. If it ain't broke, why fix it?

Frank Skomial , May 26, 2006; 12:18 p.m.

Read entire DALSA article to make up your own opinion.

Quoting DALSA: "CCD offer superior image quality and flexibility..."

"They " (CCD) "remain the most suitable technology for high-end imaging..."

Gan Esh , May 26, 2006; 12:31 p.m.

Of course DALSA would say that. They have invested millions in CCD's and will therefore strive to convince everyone (and maybe themselves) that CCD's are better.

Canon would probably say the same for CMOS sensors.

There are many other factors which contribute to image quality (in-camera processing algorithms, for example).

Bottomline..... both produce equally stunning images.


Jeff Hyche , May 26, 2006; 03:29 p.m.

There is nothing different about the sensor technologies that you need to worry about.

Brett Johnson , May 26, 2006; 07:50 p.m.

For imaging - one is really no better than the other. They are very different technologies. CMOS consumes less power and as a result is less charged then CCD therefore reducing the electrical attraction of dust. Image-wise, no difference - technically CMOS has some advantages (maybe).

The biggest draw card for CMOS is that they a far cheaper to produce.

Rob Landry , May 26, 2006; 09:21 p.m.

The big advantage for CMOS in Canon's case is that the pixels on a CMOS sensor are directly addressable and will support "on-chip" hardware based noise reduction. Nikon (CCD or CMOS) do not have access to this technology so their noise reduction is done in software after the data is offloaded from the imaging chip.

Turgut Durduran , May 29, 2006; 11:13 p.m.

The Photonics Spectra article is really discussing the use of CMOS/CCD for scientific purposes and in a popularized fashion. What happens in a DSLR can be entirely different story depending on many factors about how the sensor s used within the whole system. I do not think the comment about the article was fair , neither is the suggestion that it could explain the answerfor the question.

I have considered both CMOS and CCD systems for different applications in my work -- mainly CMOS was better when I needed speed. One can not make a generalized comment that X is better than Y.

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