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Hi!

For the needs of raw image decoding libraries, and whoever else might need it, there is a repository of free (CC0) raw files.
You can read about it here and here.

Currently, we would love to get the raw sample set for these two cameras (Canon EOS 5DS / Canon EOS 5DSR).
Since Magic Lantern is for Canon cameras, i figured it is worth a try asking here

What samples are needed:

• The camera needs to be stable (tripod), in the landscape orientation, and the scene should be as static as possible (i.e. all the raws must contain the same content).
• There are just three samples: RAW, mRAW, sRAW.
  

And then just upload them to https://raw.pixls.us/ ideally, rename them before that though

[darktable 2.0 or newer]

Did not know this forum existed before, so here it is.

The implementation in darktable is pretty much the same as in ml's deflick.mo module.

You will need darktable 2.0 or newer. (2.0.4 is highly recommended)

Video explanation on how to use it:
https://youtu.be/VJbJ0btlui0?t=8m10s  (from 8m10s to 11m17s)

Textual explanation:

• Start darktable
• Import images
• Open one image in darkroom
• Edit it to your liking
• In exposure module in the right sidebar:


• set mode to automatic
• set the two very same parameters: percentile and target. they have exactly the same meaning as in deflick.mo
• Switch to lighttable
• Copy history stack of the image you edited
• Select all the images
• Paste history stack to the selected images
• Export images. That is all.

Exported images will have pretty similar exposure.
Now you can do whatever you want with them - e.g. assemble them into a video.

IMPORTANT: only available for raw (not even SRAW!) files, i.e. .CR2, .NEF, etc; NOT FOR ANYTHING ELSE (ldr/hdr - jpg, tiff, png, etc)

Roman.

Why would this be useful: taking picture with closed shutter equals to taking picture with body cap on, but without necessity to disconnect lens, put lens & body caps on.
It also will help in not killing shutter too yearly.

Purpose of this is to take a so-called Black Frame.
They used mainly in astrophotography.
Usually, several(!) of them are taken, averaged and subtracted from actual Light Frames.

Canon can automatically take them after taking image, and subtract them ("Long-Exp noise reduction"), but only resulting file is stored.

Currently Deflicker stores data in sidecar file.
Is there any way to store same data directly in CR2, in some metadata tag?
Or in Copyright notes, that can be inputted through canon menu?

The most obvious example of the use:
Camera is in M mode, flash mounted in Hot-Shoe and powered on.
The camera shutter speed, aperture and iso are manually set not to "auto" value.
To reach proper exposure, flash output is changing.
Flash Exposure Compensation is flash analog of camera's standart EC (in non-M modes), so by changing FEC we can do ETTR.

I think that ETTR computation of FEC is possible only by shot, not in Live View.

Would it be possible to have such a modification of ETTR?