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Posts for: Mark Sturtevant
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Apr 7, 2024 09:11:07   #
That is true!
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Apr 7, 2024 09:09:48   #
That last one especially!
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Apr 7, 2024 08:55:54   #
πŸ‘
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Apr 7, 2024 08:55:29   #
Nice! The black and white cats are the Turbulent Phosphila. They stick together in bunches.
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Apr 7, 2024 08:50:42   #
That is a ground crab spider, Xysticus some-thing-or-other.
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Mar 31, 2024 09:58:50   #
Here you go!


















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Mar 31, 2024 09:54:09   #
Apple does the same thing with its browser Safari. I switch between it and Firefox and when I use one, the other often tries to make a scene.
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Mar 31, 2024 09:50:17   #
As would be routine, they will probably get a generous severance package.
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Mar 30, 2024 12:06:11   #
Well done!
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Mar 28, 2024 23:39:21   #
Quite good! πŸ‘
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Mar 28, 2024 23:36:16   #
Good one!
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Mar 27, 2024 18:52:03   #
As was said, it was an old bridge, and ships are bigger. We have not kept up. As we do, there will be discussion about upgrading designs, costs versus risks will be weighed, and if it costs too much we won't hear anything more about it.
I suspect the truth is the costs will be enormous to retro-fit bridges for greater safety, but the decaying bridges on our roadways will be a higher priority.
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Mar 27, 2024 18:43:19   #
It is a lot of fun. When people say 'focus stacking', they often mean the whole process of taking pictures at different focal points, and then merging them into one picture with deep focus.
But actually focus bracketing is taking pictures at different point of focus, where most of the subject is out of focus in any one picture. This is done with the aperture fairly wide (f/6 or so), for maximum sharpness of what is in focus, but most won't be in focus for any given picture.
Focus stacking is where the focus bracketed pictures are merged --> one picture with deep focus.

But the term focus stacking is commonly used as a short-hand for the whole process.

I don't know the features of the R10, but here is one with the R7: https://www.youtube.com/watch?v=bJOtUBSCWbQ&t=410s
To be clear,
The R7 can do both --it can do the focus bracketing and then stack the pictures for you, in-camera. I don't know what the R10 does. But if it only does bracketing, then you would do the stacking with separate software such as Photoshop, or with dedicated stacking software like Zerene Stacker.

Various issues may arise, like whether you are bracketing the pictures to focus thru the subject, focusing farther and farther away from you, or if you were bracketing to focus toward you. If the latter, then I can see why one picture would be in focus, and the rest are out of focus -- they were trying to focus on the foreground. The direction that the focus changes is in the settings.

There is also focus stacking in landscapes, but that is very different. That is for a wider angle situation, with a foreground subject (say, flowers), and mountains in the background. There are YouTube videos on the subject.
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Mar 24, 2024 16:14:58   #
Good stuff!
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Mar 24, 2024 16:13:39   #
Yeah, college sports in the US is crazy and deeply corrupt. But I don't see how that would lead to its demise. Personally I don't see how anything can stop it short of a government take-over. And that won't ever happen.
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