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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

Weapon R3D VS. ProRes (Noise Test with all files for download) - Bonus 4K 60 & 120FPS

Matt Ryan said:
Hey Arthur, Les pretty much nailed it. When I said appropriate levels, check out the files to get an idea of what I mean. You will notice at each ISO level the Histogram is exposed almost identically. That would be proper light levels for the given ISO. Proper light levels at 4000ISO is still less light than at 2,000ISO for example. The a7s is designed specifically for clean low light images with its large megapixels and built in noise reduction. Those cams have a certain appeal because they apply gain to the image in camera to "boost" the amount of light gathered, and then apply aggressive noise reduction to counter the noise. A RAW cinema camera like a RED does not apply any in camera noise reduction and carries many more mega pixels which is not the greatest for high ISO. That is why the a7s and c300/500 are in the 12mp range, canon being 8mp I believe. Larger pixels = more sensitivity and less resolution to handle. This makes it not only cleaner (because more light is gathered per pixel) but the added in camera noise reduction further eliminates any noise there would have been there had the signal been captured RAW. If you want to try a test, shoot with the a7s in RAW stills mode and then do video at the same ISO levels right after. Is the RAW still just as clean as the video? No, there's plenty of samples online. A true RAW camera should not apply any noise reduction or sharpening and that is why the video from the a7s is cleaner than its RAW stills.

So again, it doesn't really matter whether you shoot at 2,000ISO or 4,000ISO on Weapon if you expose it properly for that ISO level. Like I said above, it's about getting a full histogram for the given ISO. That is the key to shooting RED. If you were to expose to the right without clipping, you will end up with an even cleaner image. Try it out and see for yourself, because when you do that, you are basically exposing for a lower ISO than you are actually shooting. Give it a try.
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Thanks for all the replies everyone! Definitely helps clear up the confusion. When most people who shoot on non-raw cameras say "this camera is great because it can shoot xyz ISO", the logic is that of the camera applying gain and noise reduction in camera.

This goes against my experience shooting with those cameras (don't always shoot on my Epic, depends on the client request/budget), because usually for those shoots, there isn't enough light to begin with (usually low budget or doc style work where ample lighting isn't always an option). It also opens up a different way of thinking for me on shoots. I've been avoiding anything above 1280 ISO on LLO Dragon (again, since I am not used to thinking about higher ISOs being clean when ETTR). Will definitely try this out.
 
Matt Ryan said:
They should be back up soon enough. There was nearly 1,000 downloads today so far... Overloaded it a bit
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Matt--as a community, we could share bandwidth. I have a DropBox account, and I'm sure many others do as well. If you set up a hierarchy of hosts, and give instructions such as users [A-E] go here, [F-J] go there, [K-O] go over there, and [P-Z] go over here, then we could avoid such problems in the future. Thoughts?

M
 
Hi All!

I was able to persuade Matt to extend our testing session shoot, when we made the tests so many seem to enjoy. In so doing, we obtained the LLO OLPF,'s similarly shot images - same exact lighting, lens, Stealth (THE FURY) etc..! This was of particular interest to me and, as I supposed, to many others as well. There are, therefore ANOITER 40 Gb or so of files to upload, if, as I suspect, the community , and RED, would like to see them. Matt and I are out of Dropbox storage, for that file size, though.

So...does anyone know of an alternative, suitable alternative, that perhaps is a bit more robust than Dropbox, to suit the comminity's needs, that I and/or Matt could use?, for this purpose?

Thank you very much

Fury
 
Here is the link to the 4K high speed files. The shots outside are a perfect example of what we were trying to explain to Arthur about exposure for a given ISO. The outside shots of me walking were performed after sunset with not enough light for a decent exposure at 2,000ISO or 4,000ISO. If you compare them to the 4K high speed chart tests, you will notice the difference in noise. This is a perfect example of having appropriate light levels/exposure for the given ISO to achieve the best results. If you drop the ISO of the outside walking shots to 640ISO, that's exactly what our eyes could see in terms of exposure.

Added this link to the original post as well:
https://www.dropbox.com/sh/v3g6fnb1ds7ok62/AAARQsb7QC0ta4HtCZJ4ow6ga?dl=0
 
Michael Tiemann said:
Matt--as a community, we could share bandwidth. I have a DropBox account, and I'm sure many others do as well. If you set up a hierarchy of hosts, and give instructions such as users [A-E] go here, [F-J] go there, [K-O] go over there, and [P-Z] go over here, then we could avoid such problems in the future. Thoughts?

M
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That would be awesome, the problem is the size of these files. The chart tests from 250ISO-12,800ISO is 58GB in size and the 4K high speed shots are 41.5GB. Took 6 days total to upload them all and will eat up any bandwith with just a couple clicks. I know my website has unlimited bandwidth so I will see if I have enough space to host it there and try to get them up ASAP. I also have the LLO chart test (same setup as the Standard olpf test) but that's another 65GB...
 
Matt Ryan said:
Alright guys, files are back up. New link is [...]
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Matt, your network connection is not up to the demands. I was lucky this morning to start a download, but not lucky enough to finish it. And because it's one large ZIP file (53GB), it means starting over and hoping to find another 3 hour window in which there are no disruptions. Which is likely impossible, as it's always primetime for downloading somewhere. If you could make the files individually downloadable, then at least you won't have a 1000 people all trying to get the same file 1000 times over, but rather 1000 people each chewing away at the problem as best they can, and moving forward as each incremental download works. Or maybe setup a torrent. in which case we can all contribute bandwidth as we use it.

http://www.bittorrent.com/
 
Michael Tiemann said:
Matt, your network connection is not up to the demands. I was lucky this morning to start a download, but not lucky enough to finish it. And because it's one large ZIP file (53GB), it means starting over and hoping to find another 3 hour window in which there are no disruptions. Which is likely impossible, as it's always primetime for downloading somewhere. If you could make the files individually downloadable, then at least you won't have a 1000 people all trying to get the same file 1000 times over, but rather 1000 people each chewing away at the problem as best they can, and moving forward as each incremental download works. Or maybe setup a torrent. in which case we can all contribute bandwidth as we use it.

http://www.bittorrent.com/
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I just spent 9 days of my life uploading these files to the 2nd location after originally going through Dropbox. I'm not about to spend that time again uploading them somewhere else. I would recommend trying again. I'm sure the demand will not continue to be so high and it should work.
 
Matt Ryan said:
I just spent 9 days of my life uploading these files to the 2nd location after originally going through Dropbox. I'm not about to spend that time again uploading them somewhere else.[...]
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Understood. Next time, know that Amazon created a product to meet your needs: the AWS Import/Export Snowball.
 
Michael Tiemann said:
Understood. Next time, know that Amazon created a product to meet your needs: the AWS Import/Export Snowball.
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I don't have the money to pay for other people to view my tests that I'm posting as a courtesy... I already took time and effort to do the test and post the results here for everyone else to see, for free. I wouldn't pay $200 service fee just to use that device let alone the storage space when I'm not getting paid or making anything for doing this.

Several people have successfully downloaded all the files and have been PM'ing me so I guess they are functional now.
 
Anyone have any input on what they're seeing in the files? A couple people have PM'ed me after reviewing them all. Curious what others have to say.
 
Matt I just downloaded these files and I'm blown away. Especially your mug at 4000 iso. That's a 4K R3D (correct?) recorded 20:1 compression. And yet it looks clean as a whistle and I can raise and lower ISO from 320 to 5000, with seamingly NO PENALTY. And no noise.

This is amazing news for those of us going Magnesium too - because this means slomo at 10:1 and 8:1 could look TERRIFIC.

Your mug is 20:1!!!!

And it looks GREAT!

WOW - the Weapon Mojo looks legit. Very, very excited for this new line of cameras.

And this also suggest Raven will be A MONSTER.
 
Props to Matt for trying to make this stuff available. Seems some people have had success getting them. I've tried to download the most current link (the 53GB zip file) but it times out every time on different computers and networks I've tried every time after it gets about 5-15GB downloaded.

Did anyone that succeeded in downloading put them up anywhere else? Or are there other Weapon .R3D files floating out there to take a look at?
 
Matt Ryan said:
I just spent 9 days of my life uploading these files to the 2nd location.
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I sincerely hope you at least left the desk, ate something or slept during this time and not kept staring at the upload bars. :tongue_smilie:
 
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