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Messages - Grognard

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Share Your Videos / Re: Short film 5d Mark iii full HD raw
« on: September 19, 2020, 01:55:10 PM »
Loved it!

Technical note: some scenes were a bit too over exposed, didn’t look like they were overexposed in camera, just the general exposure pushed too much. The grade matches across the film, but exposure is jumping a bit (in some scenes, match the scenes and mix the sound and you‘ll have a great film for the festivals, if that is your thing.

Also 5D3 raw upscales very nicely with the right algorithm.

Good luck.

Thank you for your feedback! yep ... postproduction needed.
I know there is some jumps in exposure, i have to improve the colour editing, i pasted the attributs and it doesn't fit very well on each shot and i balanced quickly.
but there is no overexposed.
otherwise not enough light on some shots but it was a choice to use no equipement. My next short film will be shoot in 5k anamorphic with more technic!

Wich algorithm is the best for upscaling do you think ?

Thank you!

Best regards

crop_rec and derived builds / Re: Danne's crop_rec_4k experiments for EOS M
« on: September 19, 2020, 01:00:07 PM »
Yes it will be great to add these two. I Nevers use 16/9.

Yes. 5k anamorphic (crop~ x2).

Share Your Videos / Short film 5d Mark iii full HD raw
« on: September 17, 2020, 06:50:44 PM »
Here is a short film I made on 5Diii with classic fullhd raw. It was shot as a documentary with almost only handly shots and a microphone fixed on the camera...
Not the best quality compared to new 3,5k mode ! But full HD still worth.

French, dutch, english and welsh langage with english subtitles.

Ps: sound still need mixing


pw: coulet

If the Black Bar limit appears when we attempt to process more than 2048 RAW data width in LiveView. Maybe we could "move" this black bar to show the other side of the frame and then switch between these two previews.

Reverse Engineering / Re: LiveView Investigation
« on: September 16, 2020, 01:47:58 PM »
It works, thank you Bilal. But it's difficult to keep concentration on the screen with the stuck frame bug or the white noise in the bottom.
I've found a little trick to keep the black bar in the bottom screen by pressing menu button untile the black screen appear then quickly toggle to framing mode by pressing focus button.

We can also toggle in photo mode and quickly go back in video mode.

I also notticed that if we reduce resolution, in 2,5k mode, the preview is still the same and then larger than the correct frame. It's better than the otherwise!

crop_rec and derived builds / Re: Danne's crop_rec_4k & ISO experiments
« on: September 15, 2020, 01:37:12 PM »
UHD 2.39 is "only" 6.170 880 pixels (3840x1607) less than in this case : 6.200 320 pixels (3584x1730)

It means you have fixed the liveview in 1x3... :o
What a great periode for ML!

crop_rec and derived builds / Re: Danne's crop_rec_4k & ISO experiments
« on: September 13, 2020, 02:24:50 PM »
Thank you Danne! I look forward to test the new build.
With next uncropped realtime preview this old camera will become a brand new 4k camera! ;)

Camera-specific Development / Re: Canon EOS R5 / R6
« on: September 12, 2020, 10:04:45 AM »
Interesting.  Try to compare 3k or 3,5k raw with 4k from R6. Could be surprising.
Basiquely, a camera like R6 with autofocus and ibis should be usefull for low budget corporate film, interviews.. but not an avantage for an artistic short film where magic lantern should be still a good choice.

Share Your Videos / Re: 3K mode vs 5K anamorphic quick test
« on: September 09, 2020, 05:42:28 PM »
How did you manage with the crop factor? Which ens did you use for 5k anamorphic ?

Reverse Engineering / Re: LiveView Investigation
« on: September 07, 2020, 11:02:54 AM »
Thank you Bilal, you are a wizard! Realtime preview without global draw it's crasy. You gave a big boost with sd overclock and now realtime preview!
Will it be possible to have good ratio for 1×3 mode too? Porting on EOS m should be easy but on 5diii and 5dii more work to do.

Nice shots, beautiful colours, beautiful Mountain !
How many seconds did you get before stop?

Reverse Engineering / Re: LiveView Investigation
« on: September 05, 2020, 05:11:59 PM »
Is it first april of this year?

Amazing work!

Share Your Videos / Re: Paris (covid) free - EOS 5D3 3.5K RAW
« on: August 19, 2020, 11:31:16 AM »
Very cinematic footages!.
Which resolution can you reach by shooting in 2.20 ratio? More 3k than 3,5k, i guess.

crop_rec and derived builds / Re: Danne's crop_rec_4k & ISO experiments
« on: August 08, 2020, 03:36:32 PM »

Global draw needs extra resources, so it slow down the maximum writespeed.
maximum speed with Cardspanning and overclocking for now is BTW. 131MB/s (Nobody knows why).

True for UHD mode but you can reach higher writespeed in 4K half FPS or 5'7k full liveview (170 MB/S -100 CF +70 SD).

Hi all,

l did a little comparative test of the sharpness between the 3k, 3.5k UHD, 4K 12.5FPs, 5.7k 7fps, 5k anamorphic, fullhd, fullhd h264 modes. I shot with an EF L 24-105 canon Lens at F.14 compensating the cropfactor. All were upscalled or downscalled in 4k (true 4096) which I take as a reference resolution. We can see that the sharpness is better in 1: 1 mode than in anamorphic mode, but the difference is minimal. The difference between UHD and 3.5k is not really obvious. The FullHD is very mushy and the h264 ... let's not even talk about it;) In conclusion, the most interesting modes are
 - the anamorphic mode because there is no crop and a real-time feedback, the loss of sharpness compared to 3.5k is not so bad. it looks very well in 4k.
- 3.5k mode, the crop factor is only 1.6 and there is still usable feedback (zoom x5). But the ratio is wider than the 2.39. If you want more vertical resolution you have to go to 3k.

 - full HD, it's ugly but it works so well!

Thank you Danne for your  incredible  build!

Danne. Is it possible to make Fps overdrive usable in 5k anamorphic mode juste like the EOS M does?
Thank You.

Nice footage. 5k anamorphic is undisputable the most efficient preset of them all if filming 24 or 25fps. What lens was used?

Thanks. I used Canon EF 24-105 L.
Around F.16 a little too closed at my taste.
I had forgotten my neutral filter but the clouds saved me.

Hi. I'm a long time user but it's my first post here.

I've tried Danne's last build with sd_uhs module and works perfectly on my lexar 256go  633x. A relatively cheap card.
I can reach more than 40 MBs write speed (with peaks at 50mbs).

With card spanning on, in UHD mode, write speed is around 120mbs (80 mbs CF +40 mbs SD)

I'm also able to record continue 1920x804 14bits lossless on Sd card only.

I also tried 5k anamorphic and it works perfectly. No crop factor (!) almost realtime liveview and very good quality. sd_uhs is not necessary but could be usefull on very contrasted scene.
I made a short video with this mode.

I will made a more complexe short film with this mode soon.

Thank You Danne (and others A1ex, Lila.. ) for your work.


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