I use less sharpening ... Doh Paul via phone
> On Aug 5, 2014, at 9:56 PM, Paul Stenquist <[email protected]> wrote: > > >> On Aug 5, 2014, at 7:16 PM, Bruce Walker <[email protected]> wrote: >> >> This probable effect is why I think that people who claim that the >> K-5IIs images are less noisy than K-3 images are mistaken. >> >> It may be the case that each K-3 24Mpx pixel is slightly noisier than >> K-5 16Mpx pixels but once you normalize them, either optically via a >> print viewed from a distance or by image reduction algorithm, so they >> are the same pixel dimensions, the K-3 files are equal to or less >> noisy than K-5. >> >> I find the images from the K-3 are cleaner than any I've ever seen >> before from any (APS-C) camera, especially when comparing reduced size >> images, like 1600px. I don't even apply any NR filters to K-3 files >> until ISO is 3200 or above. And I apply a lot less NR than any prior >> model. > Thta’s been the case for me as well. I believe the only K-3 images to which I > applied noise reduction were at ISO 12,800. I also find I us ls sharpening > than I ever have before. I frequently go with the default conversion. > > Paul >> >>> On Tue, Aug 5, 2014 at 3:50 PM, Bryan Jacoby <[email protected]> wrote: >>> "The larger pixel size means that each pixel >>> can collect physically more light. The more light per pixel, the >>> better the signal to noise ratio for that pixel and so that pixel will >>> more accurately detect the incoming light than a smaller pixel would." >>> >>> I think this idea of bigger/fewer pixels leading directly, as in >>> through the very basic physics of photon noise, to lower noise is >>> wrong-headed. I couldn't care less what the signal-to-noise ratio of >>> _pixels in my sensor_ is. What I care about is the SNR of pixels in >>> the output image, whether that be an image displayed on a screen or >>> the dots made by a printer. A camera with more pixels will have more >>> of those pixels averaged together in each pixel of a given final >>> output image, and it all comes out in the wash. >>> >>> This is not to say that all sensors are equal. Just that the amount >>> of light collected by each pixel of the sensor isn't what matters. >>> >>> (Darren, I am ranting at petapixel, not you.) >> >> -- >> -bmw >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
