Tag Archives: conversion

Post-processing Workflow, Software, Technique

What You Get Is Not What You See

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Recently I spent more than a week photographing in a beautiful area of the Sierra Nevada backcountry. A short walk above the spot where we camped was a magical meadow — a place filled with light, grasses still green but starting to turn golden, high elevation trees scattered around the edge of the meadows, and a deep valley separating us from alpine valleys topped by steep granite peaks and ridges with scattered snow fields. At times clouds would float by and add some interest to the blue Sierra Nevada sky.

What I saw

Here is one of several photographs I made in this meadow, with the first example being a small version of a print-ready final interpretation…

Subalpine Meadow, Forest, and Peaks
At the edge of a subalpine meadow, surrounded by forest and high peaks

Here is another version of the photograph, straight out of my raw file conversion program and before I did additional work in Photoshop…

File after raw conversion operations

I think it reflects fairly well what I saw while I stood behind the tripod as light softened by closer clouds spread across the meadow. I’m confident that anyone who had been there with me would agree.

What the camera saw

But that is not what the camera saw. Here is what my captured file looked like before I did my raw conversion post-processing…

RAW file as exposed before conversion processing

Yuck!

This SOOC (“straight out of camera”) image looks pretty bad. The sky is OK, but the meadow is dark and flat-looking, not showing the actual quality of light at all, and the forest appears to be almost completely black.

What’s up here? Am I trying to trick you and present a false version of the scene? Am I an incompetent photographer who completely blew the exposure? Am I trying to “compensate” for a bad exposure by using radical post-processing?

The answer is “none of the above.” Continue reading What You Get Is Not What You See →

Commentary, Equipment, Post-processing Workflow, Technique

Post-Processing: A Shadow Recovery Example

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(In another forum someone asked a question – actually, more like posed a challenge – related to how much usable detail and quality could be extracted from a raw file that contained areas of very low luminosity, as could happen with a badly underexposed image or with an image of a scene with a very large dynamic range. Since I went to the work of responding and illustrating my response, I figured that I might as well share it here, too. With minor revisions, here it is.)

First, I actually have a “real” version of this photograph in which highlights were slightly blown, but which I preferred to use since I could bring them back in post and get a bit more shadow detail to start with. (It looks a bit bright to me as an on-screen jpg, but it makes a fine print.) That photograph ended up looking like this:

Kolob Canyon, Morning - Morning light slants over the top of sandstone cliffs above early autumn foliage in Kolob Canyon, Zion National Park
Morning light slants over the top of sandstone cliffs above early autumn foliage in Kolob Canyon, Zion National Park

This photograph and the other I’ll move to below were both shot from a tripod with a Canon EOS 5D Mark II at ISO 100 using the Canon EF 24-105mm f/4L IS at f/16. While the “keeper” used for the photograph above had a 1/4 second exposure, the example I’ll use below was shot at 1/30 second.

The exposure challenge in this scene was the very large dynamic range between the bright spot of sky at the head of the canyon and the much darker colorful foliage in relatively deep shadow in the foreground. Exposing for optimal quality in the foreground would completely blow out the sky, while exposing for the sky would necessarily grossly underexpose the foreground.

I originally thought that I might like to have four bracketed exposures in case that would let me produce a better final image via layer blending, but it turned out to be unnecessary and the final image (as shown above) has a single source file with no blending. However, this means that I still happen to have one very badly underexposed (by three stops) version at 1/30 second which I’ll use here as the starting point for what I plan to illustrate in this post. Follow along with me and see what I can do with the very underexposed version of the file… Continue reading Post-Processing: A Shadow Recovery Example →

Ideas, Reviews, Technique

Review: “Light & Land” by Michael Frye

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Over the past few weeks I have had the chance to go through Michael Frye’s new ebook, “Light and Land: Landscapes in the Digital Darkroom.” Many are no doubt already aware of Michael’s reputation from his photography, his workshops, and his other publications including his “Photographer’s Guide to Yosemite” and “Digital Landscape Photography: In The Footsteps of Ansel Adams and the Masters.” I have the .pdf version of “Light and Land”, and I understand that an iPad app version may also be available.

Light and Land - Michael Frye
Light and Land - Michael Frye

It is typical for photographic “how to” books to focus on specific techniques, and to be organized around a presentation of these techniques – perhaps with a section on curves, a section on black and white conversion, and so forth. This approach has its place, especially for certain types of learners and at certain points in the learning process. It is important to understand the basic techniques and operations that are available in the “digital darkroom” of such programs as Photoshop, Lightroom and so forth. That said, the bigger and more important issue is how to call upon these techniques creatively and effectively and appropriately in order to make photographs. Not all “how to” books do an effective job of illustrating this.

Michael’s “Light & Land” takes a different approach, and one that more accurately and realistically reflects the thought process of a photographer who is calling upon this arsenal of techniques in the service of creating beautiful photographs.  He writes:

“The digital darkroom gives us tremendous control over our images. We can make them lighter, darker, add contrast, change the color balance, increase saturation, turn a color photograph into black and white, remove telephone poles, blend exposures with HDR, combine ten images to capture infinite depth of field, or put a winged elephant in the sky.

But what do we do with these choices?” Continue reading Review: “Light & Land” by Michael Frye →

Commentary

A Couple Quick Updates

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PeterP wrote left a “comment” asking how I do black and white conversions. I replied with a brief overview of my approach to using the “Black and White” layer in CS4 and then working with multiple masked curves layers to fine tune the resulting image.

I returned yesterday from a four-day pack photography backpack trip into the Young Lakes area of the Yosemite back-country out of Tuolumne Meadows. I’m currently going through a few hundred RAW files and beginning to work on a few of them. Conditions in the Sierra this past week were “interesting” – meaning some pretty good sized thunderstorms every afternoon and lots of interesting light somewhat marred by occasional smoke floating up from a wildfire burning lower in the Tuolumne River drainage.