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Thread started 24 Aug 2016 (Wednesday) 21:29
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Canon 5D Mark IV -- Time to Discuss!

 
sploo
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Sep 21, 2016 08:22 |  #2701

gabebalazs wrote in post #18135278 (external link)
Fortunately, bulk editing in ACR also has global adjustments, copy settings, save user presets, etc. So I can easily apply one picture's setting to however many that are similar. Does lightroom has all the tools that ACR has, such as the radial filter, the adjustment brush to make selective adjustments to parts of an image (masking and adjust?) I presume it should, in that case maybe I will give it a try when my workload gets less busy in late fall.

Regarding processing power, the general consensus seems to be that probably the best processor for PS and ACR is one that has high clock speed and is at least 4-core. Most ACR/PS actions fail to utilize more than 4 cores at full power, there are actions that only utilize 1 core. But most utilizes between 3 and 5 fully, then often "disregard" the additional cores. So that's why often a 6-core but slower clock speed 5930 may score a bit lower than the 6700K. That's why I picked the i7-6700K for my current processor. The older 4790K is great too, just a bit slower for ACR/PS (mostly unnoticeable) but is only limited to 32gb max RAM. the 1151 6700K can do 64.
Now for video rendering and other applications that can utilize all cores, the more the better.

As far as I'm aware it's got all the tools. I've always found LR to be nicer environment than trying to do things with ACR.

You're definitely on the money with low core/high frequency. LR just doesn't seem to be able to benefit from cores like you'd hope it could.

TeamSpeed wrote in post #18135318 (external link)
This above link was a terrible test, it tells you nothing about what to expect in real life, but rather is a shot of a low DR scene exposed to nearly nothingness, and brought back up in post. That provides zero usefulness at least to me when I am shooting sports or weddings or portraits.

I assume that a high DR scene (that the shooter felt required an extreme shadow push) would function in the same way (in the lower stops) as the above low DR scene underexposed. Thus the test is valid for looking at what happens in the lower stops - albeit on the face of it a pointless thing to do with that scene.


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Talley
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Sep 21, 2016 08:24 |  #2702

TeamSpeed wrote in post #18135318 (external link)
In regards to: https://www.dpreview.c​om/forums/thread/40566​24 (external link)

Okay not almost 19 stops, but it feels like that is what the person is trying to accomplish with the terrible test (I guess perhaps more like 15-16). To do these tests, folks are taking the exposure all the way down to the left, and eliminating several stops they could be exposing into, then pulling the floor up to compensate, creating an electronic mess in doing so. All the data is already in the lower 2-3 stops, and then they pull it up 5 stops?

It won't be that often that 5 stops of pulling from the floor would happen. 2-3 stops I could easily see, I have had to do that for weddings. Beyond that, very, very seldom I suspect. What bothers me is that we have some very extreme cases that are now causing a stir, and there are folks even in this thread that are like "oh my, here we go, we have an issue with the 5D4" (not Talley, but a few others), without looking at the situation and trying to apply it to a real life scenario.

This above link was a terrible test, it tells you nothing about what to expect in real life, but rather is a shot of a low DR scene exposed to nearly nothingness, and brought back up in post. That provides zero usefulness at least to me when I am shooting sports or weddings or portraits.

I'm with you... it's not an issue... just a way to kind of see the "overclocking" of the sensor. Again some sensors overclock better than others. His has banding type digital induced noise lines in different areas than mine and to different degrees.

As I mentioned and you... real world photography = exposing properly. When you do it's easy to achive 3-5 stops of shadow boost without issue. The issue is taking a POOP photo and trying to make it a GOOD photo... not going to happen.

Good photography = Good light. Period. I'm a tinker and tester by heart... and I can see the only valid in performing a test like this is to maybe see the characteristics of the sensor/circuitry relationship when "overclocking" the sensor to "unrealistic levels".


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Sep 21, 2016 08:26 |  #2703

gabebalazs wrote in post #18135281 (external link)
Good question, I do get all the advertised speeds, read and write, around 550 MB/s. I don't think that can go any higher can it? So I presume everything is set correctly on my motherboard. (It's an MSI z170a Gaming Pro Carbon)

How long does your system take to boot? Should be 30 seconds at the longest (mine takes about 25 seconds and I only have i5 with 8GB ram). It wouldn't hurt to check in your bios/UEFI and see. With a decent high end system you would still get decent speeds but they could be that bit better when you have it properly set.

If you're on Windows 10, you can follow this tutorial (external link) if it isn't already setup. I know for Windows 7 you had to install a driver for AHCI if it wasn't already installed when you did the original install.


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Sep 21, 2016 08:26 |  #2704

It's like driving three cars off a 1000 foot cliff and basing your buying decision on which one is the least mangled when they hit the ground. I think I'll base my decision on other real life factors, thank you.


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Talley
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Sep 21, 2016 08:27 |  #2705

Dlee13 wrote in post #18135344 (external link)
How long does your system take to boot? Should be 30 seconds at the longest (mine takes about 25 seconds and I only have i5 with 8GB ram). It wouldn't hurt to check in your bios/UEFI and see. With a decent high end system you would still get decent speeds but they could be that bit better when you have it properly set.

If you're on Windows 10, you can follow this tutorial (external link) if it isn't already setup. I know for Windows 7 you had to install a driver for AHCI if it wasn't already installed when you did the original install.

5yr old machine and mine boots in 14 seconds :)

j/k... I have no clue but it's faster than 30.


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Talley
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Sep 21, 2016 08:29 |  #2706

Scrumhalf wrote in post #18135345 (external link)
It's like driving three cars off a 1000 foot cliff and basing your buying decision on which one is the least mangled when they hit the ground. I think I'll base my decision on other real life factors, thank you.

I actually bought a car years ago it was 1990 Geo Metro and I was looking for a sub 1k cash car. The guy at the small lot had a sign saying he was out but call... I saw a car there that was 1400 so I called him and he was picking up this said geo metro and said he would be there in 10 minutes. I believe the care I was looking at was a toyota of something.

He pulls up minutes later and pops the hood... the car is running but there is no battery in the car... I said how the heck you drove it over here. He said oh I had someone jump start the car with their vehicle and I drove it on the alternator back over here. I said oh ya... how much for the car... he said 700

about 30 minutes later I was proud owner of said car. See... I want real world performance lol.


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TeamSpeed
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Sep 21, 2016 08:30 as a reply to  @ Talley's post |  #2707

Yours was a better test to an extent, at least you had a bright kitchen that you recorded into the upper stops. :D


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Sep 21, 2016 08:32 as a reply to  @ Talley's post |  #2708

Doesn't it get old jump starting each time you want to go? :lol:


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Chet
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Sep 21, 2016 08:49 |  #2709

TeamSpeed wrote in post #18135353 (external link)
Doesn't it get old jump starting each time you want to go? :lol:


I had a buddy in hs that had a bum battery in his vw bug. The bug had a manual transmission and he would just push and pop the clutch to start it. He did that for almost 8 weeks before finally putting a new/old battery in that had just enough oomph to start it with the battery. Good times.




  
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Sep 21, 2016 08:54 |  #2710

Talley wrote in post #18135346 (external link)
5yr old machine and mine boots in 14 seconds :)

j/k... I have no clue but it's faster than 30.

Hah, my system is almost 4 years old and would probably boot in under 20 seconds, unfortunately I've got a SCSI card in it that takes just that long to initialize.


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Sep 21, 2016 08:56 |  #2711

sploo wrote in post #18135342 (external link)
I assume that a high DR scene (that the shooter felt required an extreme shadow push) would function in the same way (in the lower stops) as the above low DR scene underexposed. Thus the test is valid for looking at what happens in the lower stops - albeit on the face of it a pointless thing to do with that scene.

Agree, but is this just happening with ACR based converters? I never saw this mentioned with DPP and haven't heard much else, seems just as possible that Adobe is doing something strange here.


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sploo
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Sep 21, 2016 09:17 |  #2712

Colorblinded wrote in post #18135373 (external link)
Agree, but is this just happening with ACR based converters? I never saw this mentioned with DPP and haven't heard much else, seems just as possible that Adobe is doing something strange here.

I'd be surprised if that sort of noise was a raw processing artefact, but I don't know what the affected photos have been edited with.


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Sep 21, 2016 09:21 |  #2713

Chet wrote in post #18135366 (external link)
I had a buddy in hs that had a bum battery in his vw bug. The bug had a manual transmission and he would just push and pop the clutch to start it. He did that for almost 8 weeks before finally putting a new/old battery in that had just enough oomph to start it with the battery. Good times.


I had the VW microbus,. no starting motor. It was light enough to push start on level ground. No problem!


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Sep 21, 2016 09:24 |  #2714

CyberDyneSystems wrote in post #18135403 (external link)
I had the VW microbus,. no starting motor. It was light enough to push start on level ground. No problem!

I had a '67 Beetle and though it had a starter, it would never start with it but would fire right up when push started. I got really good parking the thing on just a steep enough incline that the roll was enough.


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sploo
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Sep 21, 2016 09:31 |  #2715

Dammit! I've only just noticed that the feckin' title fairy has got me.

Where can I go and pull some wings ;-)a


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