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Nikon D810 push processing: ISO 2000 to 64

July 25, 2014 JimK Leave a Comment

Graphs are fine as far as they go, and, for some purposes, they’re better than pictures, since they avoid confirmation bias. But they’re not the be all and end all. In fact, in photography it’s better tho think of the graphs as supporting the conclusions reached from the images, rather than the other way ’round.

And, so, for testing just how “ISO-less: the D810 is, we turn once more to my bookcase, which has cheerfully and tirelessly participated in such studies for years, never complaining or whinging, no matter how often it is pressed into service.

The gear:

  • Nikon D810
  • Sigma 50mm f/1.4 DG lens
  • RRS L-plate (yes, the D800 L-plate fits the D810 just fine)
  •  Arca Swiss C1 head
  • Heavy RRS carbon fiber tripod
  • and, of course, the bookcase

The protocol:

  • Manual mode
  • Focus wide open with live view
  • ETTR for the highest ISO picture, except let the specular highlights blow out (more on the whys and wherefores of this in a later post)
  • Leave the exposure the same as the ISO is reduced
  • Self timer set to 2 seconds
  • EFCS on
  • Shutter delay set to 3 seconds
  • ISO’s 2000, 1000, 5000, 250, 125, and 64
  • Convert the images to DNG with Adobe DNG Cnoverter 8.6.0.250 beta ( the released versions of LR and ACR don’t yet support the D810).

In Lightroom 5.5:

Daylight balance all images, apply the following corrections with the Exposure control:

  • ISO 2000 plus 0 EV
  • ISO 1000 plus 1 EV
  • ISO 500 plus 2 EV
  • ISO 250 plus 3 EV
  • ISO 125 plus 4 EV
  • ISO 64 plus 5 EV

Here are the images:

ISO 2000
ISO 2000
ISO 1000
ISO 1000
ISO 500
ISO 500
ISO 250
ISO 250
ISO 125
ISO 125
ISO 64
ISO 64

They look amazingly similar, don’t they? How about a closer look:

 

ISO 2000
ISO 2000
ISO 1000
ISO 1000
ISO 500
ISO 500
ISO 250
ISO 250
ISO 125
ISO 125
Iso 64
ISO 64

Looks pretty ISO-less, even when you look at the black spine.

The Last Word

← Is the D810 ISOless? Nikon D810 push processing: ISO 12800 to 400 →

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