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Re: what are you talking about?
In reply to Horshack,
6 months ago
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Horshack wrote:
XeroJay wrote:
Laughable. The only reason people use higher ISO's is because they do need to. I've never been at a low-light wedding reception and said "gee, I wish I didn't need to use such low iso"I don't see it that way. With the D800, you start-off with class leading DR, but then your DR is severely lower as your iso increases. With the 1DX, your iso settings will all provide a more similar DR.
What he likely meant is that in low-light conditions you don't need to shoot the D800 at High ISO - you can instead "underexpose" at a lower ISO and then push the exposure in post, with results not much worse than shooting at a higher nominal ISO. This is made possible by the D800 sensor's low shadow noise at low ISO. The technique allows you to preserve the original base ISO DR.
Here's an example. This is a scene which requires ISO 3200 but was shot at ISO 100 and then pushed in post. Notice how the TV screen is not blown out? If this photo was taken at ISO 3200 the TV would have been clipped by several stops, even on the 1DX/D3s/D4. If this same push technique was attempted on the 1DX/D3s it would likely result in unacceptable levels of shadow noise due to the lower DR on those sensors. The D4 would produce better results but still a stop behind the D800.
Orig:

Pushed:

Listen, I get this. I understand what you're saying about shooting six-stops under, then pushing in post in order to achieve a certain result. I also understand the difference between exposure, and the brightness of the file output, and that those are two different things.
But this also tells me that anyone who truly believes that this is good technique, is NOT a working professional who works on location with PAYING clients. If I showed my clients an image of an almost black scene of their wedding pics on the day of, then said "Oh, I know it looks dark, but just wait until I adjust it later", They would probably get pretty blood nervous about my capabilities, and would most likely want to see the final results a lot sooner, and wouldn't pay their final payments until I did show them the results. Not to mention, the guy who does my colour corrections would think I had a stroke while shooting.
Fine for some photographers, who have every luxury when it comes to time and post production technique. Not cool for someone who has more professional tightropes to walk.
--
If there's typos, you can be sure I used my iPhone.
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