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Which is better ? A CCD sensor or a backlit cmos sensor

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steve_i
steve_i  3461 forum posts United Kingdom
2 Dec 2013 - 3:50 PM

I'm still looking at buying a new bridge camera but now I have a new problem thrown into the decision which sensor is better ccd or backlit cmos?After googling it just confused me even more Tongue so any advise would really be helpful
thanks Steve

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2 Dec 2013 - 3:50 PM

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joshwa
joshwa ePHOTOzine Staff 3596 forum postsjoshwa vcard United Kingdom
2 Dec 2013 - 5:52 PM

This explains the differences in CCD vs backlit CMOS:
http://www.ephotozine.com/article/buyers-guide-to-digital-camera-sensor-technolo...

In addition, backlit CMOS in compact / bridge cameras gives fullHD video, quick continuous shooting etc

Dann
Dann  1152 forum posts
2 Dec 2013 - 7:03 PM

CCD..?? Old technology - and very firmly surpassed by anything offered from the 'CMOS' stable.

Until something new comes along... Wink

petebfrance
2 Dec 2013 - 7:38 PM

Some entertaining Wink reading:
CCD V CMOS
as far as cameras are concerned, I get the impression that nowadays those with CCDs tend to be at the lower end of the manufacturers' ranges.

ChiliMan
ChiliMan e2 Member 7135 forum postsChiliMan vcard Singapore17 Constructive Critique Points
2 Dec 2013 - 11:51 PM

Thanks for the links and info, Josh and Pete.

Andrew

Steppenwolf
3 Dec 2013 - 8:58 AM


Quote:
In addition, backlit CMOS in compact / bridge cameras gives fullHD video, quick continuous shooting etc

Are you saying that CCD doesn't offer this? Some of the best video cameras made are CCD - my Panasonic HD is a CCD based camera and its video (and stills) are excellent.

When digital cameras were in their infancy almost all of them had CCDs because they gave greater sensitivity - partly because their whole surface area collects light, unlike CMOS. The trouble was that they were very expensive to make for larger sensor cameras. So some manufacturers started using CMOS for the DSLRs where sensitivity was less important - but CCDs were still retained for the compact cameras because CMOS wasn't good enough at high ISO.

Over the years so much development has been put into overcoming the CMOS deficiencies that it's now comparable to CCDs and it has some advantages - like the ability to put on-chip electronics such as a convertor/amplifier for each pixel. I still reckon that the CCDs had a "pop" that CMOS doesn't seem to have - look at a Nikon D100 or Sony A100, which still take brilliant pictures.

Last Modified By Steppenwolf at 3 Dec 2013 - 8:59 AM
joshwa
joshwa ePHOTOzine Staff 3596 forum postsjoshwa vcard United Kingdom
3 Dec 2013 - 9:35 AM

Hi Steppenwolf, no sorry, my comments were just relating to compact cameras in general, and not camcorders etc. Cheers Smile

kodachrome
3 Dec 2013 - 11:15 AM

Some of the Olympus owners used to say how much nicer the IQ and colours were from the old Kodak CCD sensors In early Olympus DSLR's. Compared to CMOS sensors, CCD did have limited performance because of noise at any thing much above 400 ISO.
Agreed about the Sony A100, Minolta 5D as well, superb pictures.

ChrisV
ChrisV  7727 forum posts United Kingdom26 Constructive Critique Points
3 Dec 2013 - 11:40 AM

Unless I'm much mistaken most medium format sensors still use CCDs - they're supposed to offer finer tonality [I'm not sure that necessarily equals broader dynamic range] and richer colour fidelity. There was a comparison done I recall between the D800 and a similar resolution MF sensor. The studio guy who used both said they still preferred the MF at lower ISOs. Once ISO went over fairly modest levels by today's standards, [it was only ISO 400 or 800 AFAIR] the CCD output lost out big style. Of course you'd usually use MF in a studio environment anyway where you're controlling your own light, but out in the field the D800 would be king for all sorts of reasons.

What's this got to do with the sensors in bridge cameras? Not a lot.

keithh
keithh  1022782 forum posts Wallis and Futuna29 Constructive Critique Points
3 Dec 2013 - 11:49 AM

CCD sensors are used in high end digital backs and cameras for one reason.....what comes out the other end.

steve_i
steve_i  3461 forum posts United Kingdom
3 Dec 2013 - 12:13 PM

Ok I've been looking at the Pentex x5 and the cannon sx500 (amongst others) one has the backlit cmos and the other has CCD and I just don't know which is better even after reading all the information lol think I must be having a thick day Smile

pablophotographer

Hi, I remember reading on the site the review for the Pentax x5 I am quite confident that they would have reviewed the Canon sx500. In case they have different sensors, what I would do is to print two of the sample pictures one from each, from the same printer and compared how they look. You can view the testing images and compare them if you want too. That is what it matters. The picture is not just the work of the sensor but of the quality of the glass in front of it. Check which one has more aspect options, so you don't hassle with the shape of the frame on the pc when you are home. Go for the one that gives you more options: 1:1, 3:2, 4:3, etc. Comprende?

steve_i
steve_i  3461 forum posts United Kingdom
4 Dec 2013 - 9:55 AM

I just think I will have to go look and play lol

Steppenwolf
4 Dec 2013 - 1:18 PM


Quote: I just think I will have to go look and play lol

That's probably the best idea. If there are any differences between the two cameras due to the sensor technology then it'll probably be that the Canon is slightly less good at high ISO (probably about a stop or so) but it might make up for this in other ways. It's difficult to judge which is better really because there are just so many ways you can adjust the output of modern digital cameras that it takes weeks to work out how to get the best out of any camera.

steve_i
steve_i  3461 forum posts United Kingdom
4 Dec 2013 - 4:11 PM


Quote: I just think I will have to go look and play lol

That's probably the best idea. If there are any differences between the two cameras due to the sensor technology then it'll probably be that the Canon is slightly less good at high ISO (probably about a stop or so) but it might make up for this in other ways. It's difficult to judge which is better really because there are just so many ways you can adjust the output of modern digital cameras that it takes weeks to work out how to get the best out of any camera.

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