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Wednesday, December 9, 2020

Focus Stacking at Round Valley


At Round Valley I did a photo shoot for little more than hour, having realized, as I approached Lot 2, that I hadn't been here since September with Fred. Whole other world now, and it wasn't crowded. 

I had to get over here and shoot before January, because that's about when my camera's warranty expires, and I had trouble with a function new to me. Focus shift allows the camera to shoot a series, say of five or six, but it can be a hundred or more, at differing focus points along the continuum you select. So if I select five shots, I put the focus point on an object in the foreground. The first shot takes that focus, and so on evenly spaced to the deepest range of what's in the frame. The camera was malfunctioning. I would select five shots and get only, say, three. Nikon determined I needed a firmware update. I did that, and from my porch, the camera seemed OK. But I wanted to make sure at Round Valley where there's more range. All seems OK. 

I came home to begin to learn--I think--that my Lightroom 6 will stack each series of photos, but not merge them. I will figure this out when I get time. Meanwhile, the photo series are in a folder. The photo above I simply shot at f5.6 with my 70-200mm lens by putting the focus point near the sandbar. It's a good photo, but what focus stacking does or should do is result in an image sharp in the foreground, middle ground, and background. Which is not always desired, but can be.

The photo at bottom is about the green rock. I noticed a number of them, giving away some copper in Round Valley's geological survey.


 

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