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Posts for: pquiggle
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Sep 15, 2021 15:23:53   #
(Photo Gallery)
The Monarch and the Imposter
The monarch is the second one, the first is a viceroy.
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Sep 14, 2021 12:44:51   #
(Post-Processing Digital Images)
Two different views
I like the first one but not the second. I find the foreground trees distracting. I like the water in the foreground but I am conflicted about the grasses. The create a conflict in what to focus on, the grasses or the cabin. This is good in that it keeps my eye moving around the scene but detracts some from the cabin. The lines in the grass both mimic the lines in the roof and give counterpoint to the logs that make up the walls of the cabin.
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Sep 13, 2021 14:37:12   #
(Main Photography Discussion)
Helicon Focus
Are you referring to the Helicon FB tube that goes between the camera and lens and automatically adjusts the focus to create the focus stack? I use it and it works great. Easy to set up and can create handheld stacks if you are reasonably steady.
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Aug 25, 2021 20:23:14   #
(Main Photography Discussion)
'L' plate for the Nikon D850
I use the plates from Really Right Stuff. Excellent quality and they have a fitting for a QD connecter that makes removing and attaching a strap very convenient.
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Aug 12, 2021 16:16:54   #
(General Chit-Chat (non-photography talk))
New Math vs. Old Math
MrBob wrote:
Gee, that is what I explained 2 replies above yours.... Are you now saying writing in fraction form is invalid ? The entire point is you have to play by the rules in play... If you do straight line calculator button pushing you are NOT using PEMDAS and the answer of 16 is invalid.


Multiplication before division is not the correct order of operations. Multiplication and division are to be done after exponentiation in the order they are written from left to right. and before addition and subtraction. It is PEMDAS that is invalid.
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Aug 12, 2021 16:01:01   #
(General Chit-Chat (non-photography talk))
New Math vs. Old Math
MrBob wrote:
That equation written in fraction form is 8 divided by 2(2+2). How can 2(2+2) = 1/2 which would be needed to get an answer of 16 ? NOT logical. 2(2+2)=8 anyway you look at it.


To write it in what you called "fraction form" you would need to write it as 8/(2(2+2)) in which case the answer is 1.
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Aug 12, 2021 15:39:52   #
(General Chit-Chat (non-photography talk))
New Math vs. Old Math
MrBob wrote:
That was one of my points.... Modern calculators don't necessarily follow PEMDAS... One has to KNOW the rules under which you are operating. Using PEMDAS, 1 is the correct answer... the other answer is 16.


The correct answer is 16. PEMDAS is not exactly the correct rule. A better way to write it is PE(MD)(AS). Multiplication and division are equals and must be performed in the order written (left to right) the same is true of addition and subtraction. Typed, as written in the original post, into Excel or any scientific calculator will give an answer of 16.
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Aug 12, 2021 14:30:27   #
(General Chit-Chat (non-photography talk))
New Math vs. Old Math
16
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Aug 9, 2021 15:21:15   #
(Close Up Photography)
New mushroom
My first guess would be an inky cap (it's ben a long time since my mycology class). The cap "melts" as it sheds its spores.
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Jul 29, 2021 13:45:39   #
(Photo Gallery)
What caused the color shift between these two
Do you have the camera set to auto white balance? It looks like a color temperature shift to me.
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Jul 22, 2021 12:46:02   #
(General Chit-Chat (non-photography talk))
JUST PLAIN NEAT INFORMATION..........
That black tarnish on silver is silver sulfide, not oxide. Before the industrial revolution silver did not normally tarnish in the air unless you lived near a volcano, burning coal increased the sulfur content of the air to the point that silver would tarnish.
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Jul 15, 2021 13:42:16   #
(General Chit-Chat (non-photography talk))
I've been lost but never this lost
Gary Larson is my all-time favorite cartoonist.
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Jun 26, 2021 21:11:06   #
(Photo Gallery)
M104
Very nice image. You must be very happy with the skills you have learned in the last year. Well done.
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Apr 27, 2021 15:51:37   #
(Main Photography Discussion)
Back Button Focus with Stationary Object
StevenG wrote:
Thanks! Got it. So, for a stationary object, focus, remove finger (lock focus) and snap.


It doesn't really matter if you remove your finger of not before shooting if the subject is stationary. I usually only remove my finger from the button if I want to recompose after focusing.
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Apr 27, 2021 15:39:13   #
(Main Photography Discussion)
Back Button Focus with Stationary Object
As soon as you remove your finger from the button the focus is locked. So if you are taking several shots of a moving subject you want to keep the button pressed so that the autofocus system can track the subject. Just be sure to keep the autofocus point on the part of the subject you want in focus.
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