I've shot extensively with both K5 and K3. A 2EV push creates some shadow noise. If you're okay with that it's fine, but I find I can retain highlights at a correct or nearly correct exposure. Of course how one meters has a lot to do with that.
Paul via phone > On May 19, 2016, at 6:47 AM, Zos Xavius <[email protected]> wrote: > > The K-3 and K-5 can easily sustain a 2ev boost in the shadows. The K-5 > more so. I underexpose by 2ev quite often to retain highlights and > push in post. > >> On Thu, May 19, 2016 at 12:49 AM, Paul Stenquist <[email protected]> wrote: >> You would. Although there can be times when slight underexposure is a plus >> in that it can help extend the high end range. But more than a stop is just >> wanking. >> >> Paul via phone >> >> On May 19, 2016, at 12:42 AM, Ken Waller <[email protected]> wrote: >> >>>> Lightroom only allows a few stops of exposure compensation, and it is very >>>> easy to exceed that range. >>> >>> Why wouldn't you try to get the exposure right in camera ? >>> >>> Kenneth Waller >>> http://www.pentaxphotogallery.com/kennethwaller >>> >>> ----- Original Message ----- From: "Larry Colen" <[email protected]> >>> Subject: Re: Can higher ISO give you more info about a low contrast scene. >>> >>> >>>> >>>> >>>> Mark Roberts wrote: >>>>> Larry Colen wrote: >>>>> >>>>>> >>>>>>> On May 18, 2016 1:13:42 PM PDT, Mark >>>>>>> Roberts<[email protected]> wrote: >>>>>>> I know most recent Pentax cameras are ISO invariant and I expect the >>>>>>> K-1 is, also. >>>>>> Does this mean that you don't get any advantage from shooting a higher >>>>>> iso rather than under exposing at a lower ISO? >>>>> >>>>> https://medium.com/@simonfuhrmann/iso-invariance-in-digital-cameras-a-case-study-7080791b5e78 >>>>> http://improvephotography.com/34818/iso-invariance/ >>>>> http://www.dpreview.com/articles/7450523388/sony-alpha-7r-ii-real-world-iso-invariance-study >>>> >>>> Very interesting. I'll have to study these in more depth when I'm not >>>> packing for a track day. Thanks. >>>> >>>> I can think of one reason to not just shoot at base ISO. Lightroom only >>>> allows a few stops of exposure compensation, and it is very easy to exceed >>>> that range. >>>> >>>> It does seem, however, that there is little downside to picking an >>>> exposure triangle in manual, that may be a stop or two under to preserve >>>> highlights, and effectively do your Tav adjustment in post. This will be >>>> very helpful when photographing at the dojo. >>>> >>>> I have noticed that when I bracketed in Tav mode, by the time I finished >>>> adjustments the differences between the exposures were very subtle. Now I >>>> better understand why. >>>> >>>> There is some fun physics to learn here in order to optimize sensor >>>> performance. >>>> >>>> >>>> -- >>>> Larry Colen [email protected] (postbox on min4est) http://red4est.com/lrc >>> >>> >>> -- >>> 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. -- 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.

