So basically, expose for the maximum highlight detail and the shadows should still be *ok*. The true test of this would be in a very dark situation, the higher ISO would give you better results, especially if the brighter portions are pretty dim.
On Thu, May 19, 2016 at 10:08 AM, Gonz <[email protected]> wrote: > "so what we're essentially looking at is: what is the difference > between brightening in-camera by increasing ISO (and using hardware, > mostly analog amplification) vs. brightening after-the-fact in your > Raw converter (digital correction)?" > > and > > "As you can see above: there's a very modest visual difference* in > noise between shooting at ISO 6400, compared with using the camera's > base ISO (100) and digitally pushing later." > > and > > "Now, we're not saying there's no cost to keeping your ISO low and > brightening in post.** We're saying that the cost of a 6 EV push of an > ISO 100 shot (vs ISO 6400) is only a mere half a stop or thereabouts > in shadows, with almost no visible cost in midtones.***" > > > > On Thu, May 19, 2016 at 10:04 AM, Gonz <[email protected]> wrote: >> The analog amplifier inside (and even in ISO invariant cameras) will >> still get you a better amplification of the darker portions than the >> pseudo amplification using the digital values through post processing. >> Read the dpreview article in more detail for explanation of this. >> >> On Thu, May 19, 2016 at 9:57 AM, Mark Roberts >> <[email protected]> wrote: >>> Gonz wrote: >>> >>>>> Does this mean that you don't get any advantage from shooting a higher >>>>> iso rather than under exposing at a lower ISO? >>>> >>>>Not true. Exposing at the right ISO will give you less noise at the darker >>>>end. >>> >>> No it won't. If the camera is "ISO Invariant" (and there are lists >>> available in the links below) you'll get *exactly the same* noise from >>> underexposing and compensating in post as you would from cranking up >>> the camera's ISO setting and shooting the correct exposure. This is >>> because, with these cameras, "turning up the ISO setting" does exactly >>> the same thing inside the camera. >>> >>> 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 >>> >>> >>> - >>> >>> -- >>> Mark Roberts - Photography & Multimedia >>> www.robertstech.com >>> >>> >>> >>> >>> >>> -- >>> 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. >> >> >> >> -- >> -- Reduce your Government Footprint > > > > -- > -- Reduce your Government Footprint -- -- Reduce your Government Footprint -- 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.
