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Faux HDR
Jan 10, 2019 16:02:17 #
scubadoc wrote:
With the high dynamic range of most recent digital cameras and the relative lack of noise at ISOs up to 1200 or greater, is it possible to create a true HDR by taking one image at the “ideal”setting, then creating 2 virtual images in ACR, 1 EV on each side. Would not the under and over exposed virtual images look virtually identical to real images taken over and under for purposes of creating an HDR image?
Check out the "Bracketing with Camera Raw" in the Raw Files chapter in one of Kelby's Photoshop Elements books. He covers doing exactly that, and has been since before cameras got as good as they are today.
Jan 10, 2019 22:04:50 #
CO wrote:
No. It's not the same thing. You still haven't captured any more dynamic range than the single image provides. You have to actually take multiple photos of the scene at different exposures and then merge those in an HDR program.
Jan 10, 2019 23:02:43 #
nikonbrain wrote:
A fine point made , the cameras made today have higher dynamic ranges than the past ,the Nikon d810 and d850 are sitting at 14.8 in dynamic range . At this level of range and coupled with shooting at base ISO of 64 and highlight weighted metering, Amazing dynamic range can be reached by a competent user of Adobe Camera Raw , or Lightroom results approaching HDRI....images...
Just curious: what is your source for the 14.8 stops of dynamic range? Did you test the Nikon sensor
yourself? How? And at what ISO setting?
If true, this is only about 2 stops less than the 17 stop range of Ilford FP4 Plus B&W film,
as measured by my densiometer. Many modern medium speed B&W films are similar.
If you don't believe me, maybe you'll believe Steve Gledhill -- who managed to get 18 stops
of dynamic range out of Tmax 400!
https://www.largeformatphotography.info/forum/showthread.php?55797-18-stop-Subject-Brightness-Range-on-Tmax400
Check out Close Up Photography section of our forum.
Jan 10, 2019 23:15:56 #
Bipod wrote:
Just curious: what is your source for the 14.8 sto... (show quote)
Quote:
The a7 III features a new 24-megapixel back-illuminated Exmor R CMOS sensor with up to 15 stops of dynamic range
Jan 12, 2019 17:53:16 #
I go back to photographs I have shot and apply faux HDR for interesting effects. And to really jazz it up, I add a touch of "cartoon" (or "comic") to play up the grittiness. Here are rusting implements on the Fielding-Garr Ranch on Antelope Island in the Great Salt Lake in Utah. I very much enjoy engaging in post-processing. I can't wait to get back to my computer to see what I can come up with, especially with photographs that I think are kind of "meh."
Rusting Implements
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