Tag Archives: recovery

Photographs: Nature, Photographs: Sierra Nevada, Photographs: Yosemite

Burned Forest

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Burned Forest
A Yosemite National Park forest beginning its post-wildfire recovery..

Burned Forest. © Copyright 2022 G Dan Mitchell.

A Yosemite National Park forest beginning its post-wildfire recovery..

This photograph comes from Yosemite National Park, and not far from the current wildfire in the Mariposa Grove area. There are “good fires” and “bad fires” — the former tend to burn loose stuff on the forest floor along with some small trees and other plants, while the later burn hot and climb into the crowns of the trees and often killing them. Most of the trees in a healthy forest will survive the good fires, but increasingly the forests are now faced with bad fires that cause tremendous destruction. A quick scan around this photograph reveals some dead young trees but also some remaining green branches that likely mark a tree that is going to survive.

Photographing wildfire sites has long been a challenge for me. Many years ago I simply regarded wildfires as evil, but today my view is more nuanced, and I accept that some fire occurs in healthy forests and, in fact, is necessary and good. The challenge photographically has been to see these scenes as being subjects for beautiful photography rather than just as destruction.

G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books, Amazon, and directly from G Dan Mitchell.

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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 →

Commentary, Photographs: Nature

A Bunch of Saturday Links

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This past week I came across a number of interesting links. I didn’t have time to post then, but now that it is the weekend and I have a bit of time, here they are:

  • John Paul Caponegro has been posting frequent updates about a photographic expedition to Antarctica at the John Paul Caponigro Blog.
  • Speaking of Antarctica, the Boston Globe has published a stunning series of photographs from Antarctica, made by a variety of photographers all over the continent.
  • Over at his blog Jim M Goldstein has reported on his hard drive disaster and his successful efforts to recover. He also shares some interesting and useful ideas about backup strategies.
  • Yosemite photographer – and author of a highly regarded book on photographing in Yosemite – has started a blog: Michael Frye Photography Blog. He has a lot of good information to share about photographing the Valley, and he has already published useful information about photographing the iconic Horsetail Fall in the next month or so.
  • Andy Frazer has offered another in his ongoing series of commentaries on night photographers, this time with words about and links to Aaron Hobson.

All good stuff!