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- About
- How to change email providers
- Patents and papers about color
- Previsualization heresy
- Using in-camera histograms for ETTR
- 01. Acknowledgments
- 02. Why ETTR?
- 03. Normal in-camera histograms
- 04. Image processing for in-camera histograms
- 05. Making the in-camera histogram closely represent the raw histogram
- 06. Shortcuts to UniWB
- 07. Preparing for monitor-based UniWB
- 08. A one-step UniWB procedure
- 09. The math behind the one-step method
- 10. Iteration using Newton’s Method
- Who am I?
Category Archives: Uncategorized
Vice Versa
There are many file synch programs. Some are free, some come with the OS, and some cost extra. Not much extra, considering what your data is worth, except in the case of some software for Windows Server. In this and … Continue reading
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Previsualization heresy, part 7
No-margin framing, a case study. In 1990, I was working on what became the Alone in a Crowd series in Washington DC. I noticed some kids playing tag at the Lincoln Memorial. I set up my 6×9 view camera and … Continue reading
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Previsualization heresy, part 3
Another aspect of previsualization is envisioning just the way the tonality of the actual scene will map to the tones in the final print before tripping the shutter. Ansel Adams’ Zone System is an orderly approach to both looking at … Continue reading
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Histogram depopulation in image editing, part 1
The penultimate paragraph in the David Wells photo techniques article that I have been discussing is the following: The point is to get a good exposure for a raw file, even if it looks too light as seen on the … Continue reading
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Nikon D4 OOBE on The Bleeding Edge
I received a Nikon D4, and did one of my OOBE’s. It’s really nuts and bolts, so I put in on The Bleeding Edge. You can find it here. If I discover anything that I think is important to the … Continue reading
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More contrails
Infrared slit scan. About a 20 minute exposure with a 75mm lens.
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Sunset with contrail
Here’s another slit-scan sunset. This one would have been pretty soporific if not for a passing plane.
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Noise vs resolution — part 3
Next I tried one of the proprietary resolution-changing programs, Perfect Resize. I used the default parameters. The crop of the NEX-5 image looks like this: The crop of the NEX-7 image looks like this: The crop of the D3s image … Continue reading
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Noise vs resolution — part 2
Bicubic sharper is probably not the best interpolation technique to average out noise. I next tried just plain bicubic. The crop of the NEX-5 image looks like this: The crop of the NEX-7 image looks like this: The crop of … Continue reading
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