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Posts for: smf85
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Jun 20, 2023 15:34:07   #
Rongnongno wrote:
There was a recent thread that transferred to this section that was created, showing a racy sample of what can be done. As I checked its origins (it was too good to be true) I found many like it.

The issue is that all the sample of really young girls, looking underage.

Since the creations are artificial, can they be subjected to the pedophile laws?


They can be in the US - the law covers drawings as well as photographs/films. AI would qualify under the artwork provisions. The law has been interpreted as prohibiting even the suggestion of underage. In particular an adult porn star was prosecuted for saying she was underage in a scene (even though sex was clearly not and the scene had no suggestion of underage activities).

An image of someone who might be underage isn’t prohibited unless it’s sexualized.
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Jun 16, 2023 13:31:03   #
tgreenhaw wrote:
The best camera is the one you have with you. A bit if a cliche, but often true.


Absolutely true.
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Jun 12, 2023 18:26:28   #
Okay - let me get that together for you.
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Jun 12, 2023 18:19:07   #
leftj wrote:
Anyone out there open to selling their Nikon D200? I would want it to be in excellent cosmetic and working condition with a relatively low shutter count. Shoot me a PM.


I have one in excellent cosmetic and electro-mechanical condition, with a low shutter count.
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Jun 5, 2023 13:55:34   #
jaymatt wrote:
I just gave up and went the subscription route (my new Mac won't run my old LR6). I now have the new LR and the LRC. To those of you with experience in this area, which is better to use, LRC or LR? There seem to be several differences.

Thanks for any suggestions and reasons you might offer.


I found LRC to be more of a all-around application - it does a lot of things pretty well and the learning curve isn't very steep. LR (cloud version) is oriented towards portable storage and editing. It works on everything from a desktop to an smart phone. Its very convenient to be able to sort through a large photoshoot the next morning at breakfast with and iPad or iPhone. Its feature set is reasonably consistent across the multiple platforms but is more limited than LRC's. I find that I need to use Photoshop more often than I would with LRC - which is available on the iPad these days. So I pretty much do full editing on an iPad. Not nearly as efficient as on a desktop/laptop but I can do most things. You can even enable LRC access to the cloud images; but if you want to do that just be aware that the cloud images are separate from the local cataloged images. They must also be uploaded by the LR cloud application, not LRC as the LRC will use the cloud but only for smart previews.

There is lots of flexibility and features/capabilities in the three products - they are highly adaptable and will help nearly anyone's workflow.
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May 29, 2023 21:34:35   #
We’ll said.

We are quite some distance from a real AI; let alone something that is truly self aware.

The most likely opportunity for an AI system to be developed and implemented is in a space probe. Here the objective is to create something that will perform a mission with as little human interaction as possible. It’s designed to be able to cope with the unexpected; to self correct errors; to work around failures; to complete the mission by itself. Eventually they’ll come to the point where a machine will simply be built and sent on in its way and the results to the experiments will simply be returned.

Still, even that machine will not be self aware. That will simply happen one day.
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May 13, 2023 18:31:22   #
larryepage wrote:
Again...from Nikon's and Sony's literature...the Z8 and Z9 sensors are not BSI sensors. They are fabricated from three discrete layers and stacked together, hence the name. The sensor level is illuminated from the front. The D850 sensor is a monolithic device built from the bottom up with the sensor on the bottom and the substrate ground away as the last step. I don't care about the sensors in other cameras. They can be illuminated from the side and I'm ok with it.

It doesn't matter how you think it makes me look. Looking bad here is something of a badge of honor. This is how the sensors are made and how they function. Information is freely available.
Again...from Nikon's and Sony's literature...the Z... (show quote)


Then why does Tech Insights call it a BSI Stacked sensor? https://www.techinsights.com/products/def-2204-801.
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May 13, 2023 16:15:30   #
Bridges wrote:
Thanks for the response. And if Nikon uses Sony sensors, so what? Cross-adaptation is nothing new and has no bearing on what I see as a possibility of a new camera in the Nikon line. Back when VCRs were at their peak of popularity, there were 300 brands on the market but only 8 companies manufactured them. It would not surprise me at all if Sony didn't use some Nikon technology in their cameras as well. Mazda and Ford were making autos together and the list is endless. I would still like to know the difference in a stacked sensor vs a non-stacked one.
Thanks for the response. And if Nikon uses Sony s... (show quote)


A stacked sensor is always a BSI sensor as it has multiple layers of transistors stacked on top of the imaging transistors. If it weren't BSI the additional circuitry would block out all the light. Its biggest advantages are an extremely short path in the analog domain - the DA converters are right there - resulting in less noise, or higher ISO's for the same noise, and a faster readout. A stacked sensor makes a true global shutter possible; e.g. a electronic shutter without any rolling shutter artifacts at any time - Canon currently has an industrial sensor available that uses a global shutter.

The chip making industry is highly interlocked. It isn't surprising that Nikon uses Sony sensors - Nikon is a major player in the manufacturing tools part of the semiconductor industry and a extremely major player in the manufacturing tools sub-component industry. For that reason it stays out of the end product business.
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May 6, 2023 15:34:14   #
Also, not all monitors/TV support everything. This link points to what a bunch of TV's actually support: https://www.rtings.com/tv/learn/chroma-subsampling.

I suspect that the BenQ executive didn't want to bash other mfrs implementations are they are all 4K valid implementations, even though the quality is widely different.
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May 6, 2023 15:22:43   #
StanMac wrote:
What is the difference in the wiring that allows the increase in bandwidth (I’m assuming that bandwidth is the issue) - gauge, twist or twist interval?

Stan


There isn't a difference. HDMI was designed for TV systems - the data transmission protocol in HDMI defaults to Limited, 16-235, rather than full, 0-255. It makes the picture look better on inexpensive TV systems, and in the 4-2-2 encoding uses less bandwidth, matches the dynamic range of analog TV (all systems NTSC, PAL...). The HDMI protocol allows the monitor to request full range from the HDMI source but its implementation is irregular, optional, and non-trivial for the monitor manufacturer. See https://arstechnica.com/gadgets/2021/12/the-hdmi-forum-follows-the-usb-if-in-using-new-version-numbers-to-refer-to-old-ports/ and for more information on HDMI see https://people.freebsd.org/~gonzo/arm/iMX6-HDMI.pdf.

Cable types only are important in relationship to data speed - the data bandwidth requirements of 1K/60 are far less than 4K/120 - since the standard doesn't allow for frame dropping more bits have to be sent in the same time period (this has nothing to do with the graphic's card generated frame rate).

Display port is identical to HDMI except for the connector and the fact that it defaults to full range, as does USB and Thunderbolt. I'll also mention that frame lagging/dropping is allowed in USB and display port.
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Apr 25, 2023 18:48:24   #
WNYShooter wrote:
Actually, the settlement won't cost them anywhere near that in total. Their insurance will cover a good chunk of it, and they can write the rest of it off, along with the insurance costs, on their taxes as business expense.


The insurance payout is effectively more of a “loan” —- their rates will rise as the insurance company is allowed to recover payouts via future rate increases. Their ability to write it all will depend on the details of the settlement, it may or may not be deductible at all.
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Apr 25, 2023 18:36:33   #
jerryc41 wrote:
I have seen advice to first format a problem card in your computer and then format it in the camera. No idea why that would be a good idea.


It’s not a good idea.
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Apr 20, 2023 20:34:51   #
There are a number of obstacles - everything from the necessity of building a new distribution system, through issues with containers for it (it goes right through the walls of most containers - the ones it can go through are heavy and expensive), and the fact that the electrochemistry needed to produce it is highly energy intensive.
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Apr 20, 2023 20:12:38   #
dkeysser wrote:
F8Lee, your argument may be right on a theoretical level, but the shots that GWilliams showed here are gorgeous. Great tonalities and sharp as a razor.
Here is another twist to the debate. One thing I have read in several places is that the real advantage of a monochrom over a color file is in very low light high-ISO situations, like street photography at night, or in bars and theaters. Supposedly, monochrom sensors excel in high-ISO with less noise. Any truth to that?


I have a D850 converted to full spectrum monochrome (LDP LLC). There definitely is less noise at high ISO’s, sometimes much less so.

The GWilliams shots are all great with excellent tonality. The monochrome conversion is very good too.

My experience with the camera is that its luminance dynamic range is larger, and it’s sharper. To get these improvements i’ve found it’s necessary to use a specialized program to convert the pseudo matrix’ed raw file to a monochrome image format. Personally I like Monochrome2dng although there are other good choices. Sometimes the difference from what can be had from converting from de-mosaiced color image is subtle sometimes major.

The conversion I had done was a full spectrum conversion with quartz cover glass. That’s needed to do work in sub 350nm UV. Plastic absorbs all UV strongly and glass transmits it only to about 330nm. While glass will transmit reasonable amounts of 330nm UV most current lens coatings are strongly absorbing of it. Which leads to a preference for old uncoated glass. To go below 300nm requires lenses made of silicates/calcium carbonate. It’s an interesting world to look at.

It’s better at long wave IR (900nm+) than a camera with simply the hot cut filter removed. The Bayer filter weakly absorbs light at these frequencies.

I’m extremely happy with it.
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Apr 20, 2023 15:53:03   #
What would be highly useful is CNG/LNG/LP powered engines. Much less carbon than even the new fuel.
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