Re: More on Canon Rebel XT noise at high ISO - 2 main new data points



On Mon, 02 Jan 2006 06:16:04 -0600, All Things Mopar
<nunofyour@xxxxxxxx> wrote:

>Today David Dyer-Bennet commented courteously on the subject
>at hand
>
>>> 1) /Both/ camera's, my "defective" one and his "working"
>>> one showed the /same/ amount of noise at /all/ ISO from
>>> 100 to 1600 on /all/ 3 of my PCs. Naturally, no noise is
>>> readily apparent until ISO 400 on both cameras.
>>
>> The problem, then is that your expectations are not being
>> met.
>>
>> What *are* you expecting at ISO 1600? Usable photos? Or
>> crisp, clean, studio-looking photos? Are you expecting
>> less noise than P&S cameras and a lot less noise than film
>> that speed has grain? Or are you expecting a lot better
>> than that? Because "a lot better than that" isn't
>> available yet.
>
>I "expected" to see little or no noise at ISO 400, some noise
>at 800, and noise, but controllable noise on a properly
>exposed image at ISO 1600. Where'd I get that? On
>dpreview.com, from my fav camera store manager who's much more
>knowedable about why a DSLR is a lower noise solution than
>even an expensive EVF, from rec.photo.digital, and in this NG.

Popular Photography magazine characterized the Rebel XT noise
level at 1600 ISO as unacceptable.
-Rich
.



Relevant Pages

  • Re: Another crummy P&S
    ... high-level of in-camera noise reduction remains a strong possibility. ... If the ISO 1600 performance exceeds that of a DSLR, ... see that there isn't anything fishy going on. ... high ISO performance betters most P&S cameras by about 2 ...
    (rec.photo.digital)
  • Re: Point & shoots, no improvement as long as sensors stay SMALL
    ... The FZ7 and FZ8, would have been awesome cameras if not for the severe noise problems at anything but ISO 100, and the slow power zoom. ... It'd be of a size where the advantage over a D-SLR would pretty much disappear, so you'd be better off with a D-SLR and wide range zoom lens. ... The marketing people clearly want to sell D-SLRs to anyone that actually cares about low-light/high ISO photography, and is happy to sell snapshot cameras to those that are buying on specs alone. ...
    (rec.photo.digital)
  • Re: How important is Olys dust reduction system?
    ... It is absolutely no problem to enlarge 7.5 or 8 megapixel FourThirds images to excellent, clean and sharp 16"x12" prints - virtually no difference to 8 megapixel cameras of other makers, slightly if not significantly better than 6 megapixel cameras of other makers. ... E-330 begins to show them above ISO 400, a compact camera like the Sony 828 begins to shows them at even lower ISO numbers, according to the even smaller size of their sensor. ... I used to try to stay below ISO 160 with that camera, which delivered about as much noise there as I was inclined to tolerate. ...
    (rec.photo.digital.slr-systems)
  • Re: Raw - ISO setting
    ... This can be very confusing, for example, with Nikon dSLRs because the likelihood is that most users will select the "auto ISO" setting" which is nominally 200 but will be adjusted upward by the camera depending on shooting conditions--most of us will not notice the ISO change while shooting. ... Being able to adjust the image through a raw converter should allow the photographer to manipulate other aspects of the image to decrease the appearance of noise at high ISOs that would otherwise be arbitrarily determined by a jpeg algorithm. ... digital cameras, but that is not the ISO. ... The better digital cameras have low noise and 12-bit analog-to- ...
    (rec.photo.digital)
  • Re: As long as Im trolling: Ed Betz on D3 vs Mk III
    ... The D3 focused faster and more accurate then the Mark III and as for high iso images, they are not even in the same league. ... noise in images is dominated by photons noise, ... P&S cameras, thus fooling some people. ...
    (rec.photo.digital.slr-systems)