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Messages - clkdiv

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1
Chronos User Discussion / Re: Post Chronos 2.1 clips here!
« on: May 31, 2021, 11:13:10 AM »
Did some testing with my Chronos again. Made from H264 footage, filmed with 1920x1080 1000fps, 180, 0db Gain, then processed at 60fps (unfortunately not 30 or even better 25). Sound me myself an I. Just testing...

https://vimeo.com/557276143

2
Software Dev / Re: Software support for alternate trigger modes
« on: December 31, 2020, 03:02:07 PM »
Oh yes, that's a very good question! I'd also like to know!

3
Chronos User Discussion / Re: Review of Chronos 2.1
« on: December 16, 2020, 02:45:34 PM »
I also have a lot of footage losses because the cam simply hangs. Happens quite often when saving. It's not the touchscreen, I use the Web interface.

4
Chronos User Discussion / Re: Post Chronos 2.1 clips here!
« on: December 13, 2020, 12:53:03 AM »
No, the Chronos was used for the high speed part and the Laowa waa used only for the Makro shots.

5
Chronos User Discussion / Re: Post Chronos 2.1 clips here!
« on: December 08, 2020, 03:27:18 PM »
Another shot with syncing 12 flashes to 1000fps at the Chronos 2.1:

https://vimeo.com/487619565

6
Chronos User Discussion / Re: Post Chronos 2.1 clips here!
« on: November 16, 2020, 08:24:34 AM »
The first professional approach with my highspeed follow focus and the Laowa probe at the Chronos: Click me

7
Chronos User Discussion / Re: Post Chronos 2.1 clips here!
« on: November 15, 2020, 04:05:54 AM »
Are you free-handing that?

No, that's not possible, imho. It's a stepper motor turning the focus wheel at the lens and another one moving the spoon.

Here are a few clips put together.

Hey Kristian, would you mind sharing your experiences and findings with light settings? It is really great what you are doing there, and I'd love to see what you use and how you setup things... :-)

8
Chronos User Discussion / Re: Post Chronos 2.1 clips here!
« on: November 09, 2020, 05:25:23 AM »

9
Chronos User Discussion / Re: Introducing Chronos 2.1 HD!
« on: November 08, 2020, 04:00:56 PM »
Hi Sergey, regarding this I would highly recommend using an ethernet to wifi bridge that does not require the camera to set it up.

I managed to get it working with such thing.

10
Chronos User Discussion / Re: FFPMEG: Fastest conversion of DNG to MP4
« on: November 08, 2020, 02:41:03 PM »
Premiere not only cannot import DNG, it also cannot be automated. However, for the moment I'll stick to FFMPEG, that CAN make use of the GPU. It's weird that Adobe can't do that, since it is proven it is possible.

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Chronos User Discussion / Re: FFPMEG: Fastest conversion of DNG to MP4
« on: November 08, 2020, 02:28:32 PM »
Premiere cannot be automated at all. No way.

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Chronos User Discussion / Re: FFPMEG: Fastest conversion of DNG to MP4
« on: November 08, 2020, 02:08:24 PM »
Yes, that's true. I have a NVIDIA Quattro 4000 installed, and both Adobe Bridge and Lightroom Classic CC cannot use the GPU for Image processing but only for image displaying. You can check if AE uses the GPU or not:

I'll check if I need a new graphics card. However, AE ist not that good for automated processing. AERENDER is too clumsy, imho.

13
Chronos User Discussion / Re: FFPMEG: Fastest conversion of DNG to MP4
« on: November 08, 2020, 10:37:37 AM »
Yes, thank you. That's the problem. AE is much slower, I assume this is due to the high-end quality conversion from Adobe RAW converter. However this is really too slow. I have a very old graphics card here which goes for 55fps when converting with FFMPEG. I need the fastest preview available, that's why I am looking for the FFMPEG solution. When it comes to the real editing I will go for Adobe RAW, sure...

If someone stumbles upon this: If you need fast conversion of multiple DNGs to MP4 for preview while having at least "good" quality, try "DCRAW -v -T -w -W -q 0". This will give you TIFF files which then can be merged to a MP4 with FFMPEG. This is also much faster than AE but slower than the direct conversion DNG->FFMEG.

I also tried ImageMagick before, which does the job too, but it also converts to TIFF first and then to MP4. And it is much slower than doing it "manually" with DCRAW and FFMPEG.

14
Chronos User Discussion / FFPMEG: Fastest conversion of DNG to MP4
« on: November 08, 2020, 06:55:21 AM »
Hello! I am shooting in RAW and tried to convert the RAWs to H264/MP4. Now FFMPEG is really fast on that: On my old I7 with 6 cores it converts with 55fps. This is because it uses the GPU.

Unfortunately the output is dark and greenish, but at least I have a fast glance of what happened while recording.

When converting the DNG to TIFF first and then putting them together into a MP4, everything is "normal": White balance, colors, black level.

Does anyone have any experience converting DNGs directly into a video using the GPU?

Thanks! Martin

15
Chronos User Discussion / Re: New Chronos 3.7 4k !
« on: October 26, 2020, 08:32:22 AM »
Nevertheless the freefly camera is really incredible. Unlimited duration @ 1480 fps FullHD and 480 fps @ 4k. Woooooo....

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