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 <pnstenqu...@mac.com> 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 <kwal...@peoplepc.com> 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" <l...@red4est.com> >> 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<postmas...@robertstech.com> >>>>>> 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 l...@red4est.com (postbox on min4est) http://red4est.com/lrc >> >> >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> 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 > PDML@pdml.net > 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 PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
