hyalinejim

This is great fun!

Does anybody's friends / family / wives / boyfriends tell them they're probably a little bit crazy for getting the popcorn out while eagerly awaiting the next instalment in the GH5 autofocus YouTube saga.

So, PhotoJoseph is maybe going to visit Max and possibly stay over. And Peter Gregg''s dog is called Jingles and he doesn't like cleaning the kitchen but he really likes Christmas. I mean, I didn't even know who these people were yesterday!

Love the sound! Did you make those recordings?

23 minutes ago, Fritz Pierre said:

 a couple of Vampires coming across each other in the night

I think I've seen that film...

1 hour ago, mercer said:

I processed them as Arri Log-C

Check out this LUT I just put together. It should work great with ML footage that's pretending to be Arri Log C

https://www.magiclantern.fm/forum/index.php?topic=19338.msg182487;topicseen#msg182487

Just noticed this post on dvxuser

Quote

I experienced quite evil artefacts when object move

And on liftgammagain:

http://www.liftgammagain.com/forum/index.php?threads/canon-c300-mkii-motion-artifacts.8639/

Looks like C300II has ghosting similar to (but not as severe as) the XC10:

Given that we've also seen ghosting in GH5 VLog samples, I guess that motion artifacts are now part of the landscape of in-camera temporal noise reduction.

6 minutes ago, Ken Ross said:

I used the 709 Profile,

I have the same request for you Ken,

33 minutes ago, hyalinejim said:

If you like 709L colours the most, try adjusting the knee to get more DR (and report back!).

9 hours ago, lmackreath said:

quick try with filmconverts new gh5 profile

Hmmm... which film stock was this? The reds and blues are still very Panasonic looking to me.

I'm not sure how much effort FilmConvert really put in to optimising their profiles for each camera or even each set of camera settings. The same scene shot in different picture styles with the relevant FilmConvert profiles applied should look similar, yet they often don't.

2 hours ago, Stab said:

Like709 has the best colors out of the box, but not the best DR without tweaking every shot

Paul Leeming said on FB:

Quote

Dynamic range results, best to worst:

1. V-Log by about two stops.
2. Cine-D (just a bit better than Like709, but not by much)
3. Like709

Basically, with the knee control set to Point: 80 and Slope: 99 (showed maximal gains), it looks very similar in curve to Cine-D, only with a touch less dynamic range in the shadows. I mean, a really little bit of difference.

If you like 709L colours the most, try adjusting the knee to get more DR (and report back!). Did you record your tests? It would be great to see samples.

3 hours ago, independent said:

How does the quality compare to Blackmagic's raw, 12-bit CinemaDNG RAW (4000x2160) ?

Here's what we know so far about high resolution RAW recording on the 5D3.

Technical stuff:
Maximum horizontal resolution for continuous 2.39:1 recording = around 3.3k
This is only achievable at ISO 100. If you need to raise ISO, you need to lower the resolution (I can get continuous 16:9 at 2.4k for ISO 3200)
The 5D3 has around 11.5 stops of dynamic range and a moderate rolling shutter
It has lovely colour

Practical stuff:
The preview has a very low refresh rate when recording, and is mostly low resolution, and greyscale - so it's hard to see what you're doing.
There's no sound

As squig mentioned earlier, if you want to see what it looks like, take a 3.3k crop out of a 5D3 still. I also posted a link to DNGs some pages back.
 

1 hour ago, webrunner5 said:

Wow, that is some just beautiful footage. Jesus that was good.

The short in full is an incredible piece of work. If anyone has a chance to check it out at their local festival this year I'd highly recommend it.

25 minutes ago, gethin said:

I'm not getting the fizz.

Would a borderline experimental piece playing on ideas around vlogging, test videos, millennial idiosyncracy,  and narcissism give you the fizz?

Did I mention that holding half shutter while recording helps if the preview is slipping into grayscale? Squig, that's another advantage of keeping it at 2.7k - preview is smoother. If your delivery is 2048 x 858 then shooting resolution doesn't matter above, ooh let's say, 2.3k just to knock off that debayer softness... other than crop factor if course.

FWIW I saw an amazing short recently with a very unusual aspect ratio:

Pretty sure this ultra ultra scope ratio is achievable in 3.8k on the 5D3 now.

10 hours ago, erek said:

What is the crop factor for recording 3K and or 4K 24 fps?  is it going to be 3x ?  can't imagine how usable 3x crop is without going almost Fisheye...  the 5D Mark IV is almost usable with 4K @ 1.74 crop with a 24mm lens

It depends on the horizontal resolution you choose to shoot at. Divide the pixel width of 5DIII sensor by horizontal res to get crop factor.

10 hours ago, Alex T said:

Does the 14bit lossless compression work for 2k or 1080p full frame? Also what kind of card are you using?

Yes, it does. Expect a 50 to 70% reduction in file size, depending on ISO and scene complexity.

7 hours ago, cpc said:

It depends on detail and range. ISO is only one of the factors which increase detail (more noise). If you shoot a highly detailed wide shot you will get significantly lower compression levels than in the case of, say, a close-up with lots of defocus in the frame. Also, darker shots will compress better (less range).

What I'm seeing is stuff at the pixel level really affects compression. So ISO noise is one, as we already know. The bitrate goes absolutely through the roof when I film the moire pattern on my computer screen. I mean, it even kills crop mode 1920x1080!

@mercer You'll be fine!

Here are some tips for when things go wrong:

• Sometimes the camera will try to record to the SD card instead of the CF card, which only gives a few seconds of recording. Make sure you have "preferred card" in the menu set to CF
• If the camera locks up or starts misbehaving, turn it off and pop the battery
• After turning it off, wait until the red light stops flashing before you pop the cards out (like, two seconds)
• Keep a copy of the ML build files on your laptop in case you change settings and can't remember how to change them back

1 hour ago, Andrew Reid said:

PLEEEASE SOMEBODY try the 10bit and 12bit at 4K

No joy there, I'm afraid.

http://www.magiclantern.fm/forum/index.php?topic=18443.msg181620#msg181620

Quote

the routines can accept raw image streams of arbitrary bit depths (10/12/14/16).........doesn't appear to improve compression ratio at all

It's a big learning curve and I think very daunting if you're starting from scratch.

These new developments will see a ML mini-renaissance and new users will be welcomed by the community. Don't be afraid to ask for help also on the ML forum, just read the rules, search first, etc.

Anything else you need, just shout! Or shoot me a PM.

2 hours ago, squig said:

What cards are you using?

I'm using a Komputer Bay 256GB 1066x. Getting another click higher with this afternoon's build.

Talking resolution: for those who love 16:9, or want to deliver Cinemascope with an Isco or 1.33x anamorphic, the maximum attainable 16:9 resolution is 2784 x 1536.

Forgetting about the upper resolutions for a moment, and dropping down to 2.8K Cinemascope, I'm getting a quite usable preview (colour, faster frame rate, not real time) with only a brief flicker of the grayscale preview every five seconds (b&w, very low res, very low refresh rate)

46 minutes ago, mercer said:

do you have any links that will help get me started

• Downgrade your camera to 1.1.3 firmware.
• Get ML installed using an SD card: https://www.youtube.com/watch?v=LHzQkJNMIzU
• Get fast CF cards. My card listed above is relatively good bang for the buck. Test your cards using the in-camera speed test. You'll need at least 85MB/s for 1920 x 1080. If your cards don't show this speed, send them back and try new ones. If you can get cards that are around 95MB/s that's even better, as you'll need this kind of speed for the new high res modes. Use this calculator to figure out how long you can get on a card: http://rawcalculator.bitballoon.com/calculator_desktop
• Get comfortable with the camera by installing the latest non-experimental build. Get familiar with that. Then add the crop_rec module from the experimental builds page. This will give you a fully previewable 1920 x 1080 digital zoom - very useful.
• For post, get up to speed with MLVFS. For log masters, the quick transcoding route is to use Resolve (BMD Film colorspace and gamma, highlight recovery on) - export to ProRes, Cineform or DNXHD 444. For ultimate quality, but slow workflow, use ACR through AE, and consider Cinelog-C.

42 minutes ago, tweak said:

Ok so what res can you get up to in a 1:1, 4:3 or 5:4 aspect now???

Max 4:3 resolution possible is 2560 x 1920... I can get 20 seconds at ISO 100.

But I can get continuous recording at 2512 x 1884.

15 minutes ago, squig said:

Explains why you're getting 3K and I'm getting 2.7-2.8K, I've mostly been shooting at between 1500 and 6000 ISO

I can hit 3264 x 1366 continuous on ISO 100.

29 minutes ago, zerocool22 said:

Does iso make a difference in file size? Or what is the idea behind this?

Higher ISOs have more noise, thus more complexity. The new 14bit lossless compression module needs  a higher bitrate as it tries to preserve the complexity. That's how I understand it for now.

11 minutes ago, jpfilmz said:

 Im only getting about 38 frames

Drop your ISO to 100 and see if you can record for longer.

More nice 709L

https://www.youtube.com/watch?v=E4Eir6oR4o8

8 hours ago, squig said:

@hyalinejim did you shoot that with the 1st or 2nd build?

OK, I'm pretty sure that the variable compression is due to ISO. In crop_rec 3K (3072 x 1286 ) I can get continuous recording at ISO 100, but if I whack the ISO up to 6400 I get eleven seconds. Can you check if it's the same for you?

4 hours ago, squig said:

@hyalinejim did you shoot that with the 1st or 2nd build?

That was the first build, using 5x rather than crop_rec.

2 minutes ago, squig said:

Great, you saved me the trouble. I'd rather spend my time looking for bugs than cutting and grading. If people wanna know what it looks like; it looks exactly like a 5D MK3 photo cropped to 3K, there's millions of those around.

Are you having any issues with this: http://www.magiclantern.fm/forum/index.php?topic=19300.msg182227#msg182227

 

I thought it good to throw what I got today up there. Magic Lantern can be a bit daunting and theoretical until you see it in action.

I haven't played around enough with the crop_rec modes, really. Except that when I tried to recreate 5x crop 3k in crop_rec 3k I got a crash log onscreen on the first go, but second time it worked fine.

2 hours ago, wonderboy said:

Hi everyone, today i got luck and catched a helicopter take off. Tried to film it in Slowmotion, what do you think? It was really sunny outside so i turned the F-Stops way up to 16 but it ended up a bit to dark... 

https://youtu.be/fqNC9jKcgLU 

FHD 8 Bit VariableFameRate 180
ISO 200, F16, 180d Shutter, ManualFocus, HandHeld
PictureProfile is Like709 with Knee adjustment, Graded in AE

My man! First video I've seen where somebody has actually adjusted the knee in the Like709 profile. Some people are very excited about this @Fritz Pierre as the colours seem to look very nice.

What can you tell us about the knee adjustments - does it give better dynamic range?

Also, that vid shows the incredible rolling shutter performance @ 180fps. On another camera the blades would be warped.

3840 x 1600... UHD horizontal resolution. Alex has just posted an update that gives correct and centered framing for these new crop modes, with faster refresh rate and colour... at least some of the time. However, at this resolution I got exactly 30 frames!

Then I tested 3K (to be clear, this is using the crop_rec module rather than 5x crop) and everything was good for a few minutes, and then I got a mad error message on the LCD so I stopped the recording.(EDIT: on my second try, 3K worked just fine - continuous, centered framing that switches between slow, low res greyscale and slightly higher res, faster but not realtime colour).

Things are moving and improving quickly.

It took me a while to figure this out, but for the new high res crop_rec modes you need to select the crop mode AND change the resolution in the RAW options.

32 minutes ago, kabuto1138 said:

there is something about the richness of these files that allows me to push the grade a lot further now.

Nice! Just exporting a grade now and what you have there is very similar to what I have here.

I think the perceived increase in richness is due to the fact that all this extra resolution suppresses noise, giving a finer grain, and of course the extra detail helps as well.

1 hour ago, zerocool22 said:

Yeah I would love a side by side of the ML 4K vs the ML1080p. To see if it holds sharpness/detail better

I had a go at this for you:

https://www.dropbox.com/sh/ar0uzz0x1464g9t/AACxzLhdQfuSTVnz9Eo85kCQa?dl=0

2 DNGs with similar framing, one at 1920 x 1080, the other at 3584 x 1320. It's not as straightforward as you might expect (as with many things in ML) to do a direct comparison as at the moment the 5x crop mode that gives the high resolutions with 14bit lossless is not a centered crop of the sensor so the same perspective is impossible.

I tried downsizing the larger file to more or less fit the 1080p file. Yes, it looks to be slightly more detailed and with less aliasing but Joe Soap probably wouldn't spot the difference in this particular shot.