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Post-Processing Digital Images
ISO 28,800 Nikon D7500
Nov 8, 2018 22:14:31   #
whwiden
 
I was not planning on using such a high ISO, but in testing my new camera, I took this shot and decided to see what could be done with it in black and white. I could not really get good color. Attached first is a small file of this effort--and then a full sized export--both cropped to 10x8. The processing was done in Lightroom. I am a bit surprised at the ability to get a reasonable or useable jpeg from a raw file exposed at this ISO. I attach these examples for anyone wondering about using such high ISO exposures. Comments or suggestions welcome.

small export
small export...
(Download)

full size export
full size export...
(Download)

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Nov 9, 2018 07:18:29   #
hippi Loc: Sedalia MO
 
that expression is like, please stop https://www.youtube.com/watch?v=PXOgZXUzp3E https://www.youtube.com/watch?v=cTC1TEVo3Aw

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Nov 9, 2018 09:03:04   #
abc1234 Loc: Elk Grove Village, Illinois
 
I am hard-pressed to see much a difference. The value of the larger file is for printing. This is a pleasing grab shot and although I generally prefer color to monochrome, the latter certainly works admirably here. In developing the shot, I think a little boost in clarity might help to make the hair sparkle and add some overall contrast. The shot is a little soft. The contrast between the bright cheek and darker back of the head models the face very nicely.

From a "normal" viewing distance and my monitor, the noise is not really noticeable. Your camera did a amazing job at that. My final point is about using raw. You may have learned how much greater latitude raw's give you than jpg. Hopefully, you will stick to raw. They can save the day for you.

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Nov 9, 2018 09:05:44   #
whwiden
 
Thank you. Processed from a raw file shot at iso 28,800. I will try those ideas.

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Nov 9, 2018 09:18:22   #
philo Loc: philo, ca
 
i never found that shooting at a high iso to be a problem. With today's body and lenses noise is no big deal. I think the fear goes back to film shooting with high asa.

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Nov 9, 2018 10:32:55   #
abc1234 Loc: Elk Grove Village, Illinois
 
philo wrote:
i never found that shooting at a high iso to be a problem. With today's body and lenses noise is no big deal. I think the fear goes back to film shooting with high asa.


That depends upon your standards. Lenses do not affect noise, only the body. On my Canon 80D, 6400 gives me less noise than the grain I had with Tri-X at 400. We can do things today that were unimaginable when we started in photography. Too bad the youngsters will never know or appreciate that.

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Nov 9, 2018 16:53:55   #
whwiden
 
philo wrote:
i never found that shooting at a high iso to be a problem. With today's body and lenses noise is no big deal. I think the fear goes back to film shooting with high asa.


Yes. I started out can shooting film. But this surprised me for digital.

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Nov 9, 2018 16:56:40   #
whwiden
 
abc1234 wrote:
That depends upon your standards. Lenses do not affect noise, only the body. On my Canon 80D, 6400 gives me less noise than the grain I had with Tri-X at 400. We can do things today that were unimaginable when we started in photography. Too bad the youngsters will never know or appreciate that.


True. But for a crop sensor, and as a D750 user, the ability to use the raw file was still surprising. With film I did push to 3200 on occasion but never something like this.

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Nov 27, 2018 13:45:44   #
Jim-Pops Loc: Granbury, Texas
 
Great example you don't have to shoot at ISO 64 or 100

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Post-Processing Digital Images
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