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I have been resisting the pull of dual iso since day 1 because I have always been happy with the results of gain reduction at iso 200 and the benefit of not dealing with all the issues surrounding dual iso...

But, after a shot yesterday that just didn't cut it, I decided to try again today with dual, and it won!

Now, to be totally clear, in this comparison, the iso200 version was without gain reduction (i was too lazy to change magic lantern versions) but in practice, canon 200 (only 200) is _almost_ as good as gain reduction, so it could have been a little better, plus it would be at 3072 instead of 1920, but even so, dual would win, clearly.

I lifted the shadows only to the point where the single iso was still marginally acceptable, but the dual version could go MUCH higher with no problems.  It's the champion!

So, I am going to start using this today...  I only hope it works reliably, and at 24 fps without too much nonsense.

Keep up the amazing work, I'm a believer!

any improvements to demosaicing are most welcome!

Masc, I have a clip that NO demosaicing algorithm on any program has ever worked properly on.  I'll dig it up and send you a frame from it just to have as a reference...

I really hope you get a 5D4...  Your persistence and determination are badly needed for that unfortunate unappreciated BEAST!

i love you guys!

ok, i finally got a chance to try the stripes fix again, and you're right, it's fixed now.

meaning it doesn't make the footage worse.

but it doesn't do anything at all for my footage, which is better than ruining it! 

as i conjectured above, it's probably because the stripes from the reduced gain hack are very different.  it doesn't matter because these stripes are buried so deep in the shadows that i'll never see them.

but i can confirm the tool no longer has any negative side effects here!

PS: while everyone's asking for new features, here's one from me:

can we have additional curves in series, when needed?  in resolve this is a beautiful benefit of using nodes.  just add another node and you have a new curve to make fine adjustments without disturbing the first curve.

if this can be done, it would be a tremendous increase in the grading capability of mlvapp.  maybe add some kind of keyboard shortcut to switch between the curves, such as ALT-1, ALT-2, etc...?

mlvapp will soon be unbeatable!

thanks for all your hard work!

i've gotta say, it never works for me either.  i stopped trying long ago.

it introduces strange lines and generally looks bad.  i put it down to not being intended for the stripes i get from the gain reduction hacking i do...

or maybe it doesn't work properly with the 5d3?

or maybe just mine 

I pushed it as far as it can go (I can see a cam upgrade for me in the future maybe 5d3 or 5d4)

get the 5D4!!!  let's not wait until it is 11 years old before it is supported!
you're the man to make it happen!

this is so great that my friend is buying an eos m just for this!

he's absolutely new to magic lantern, so I'm wondering if you guys can make a really clear and easy to follow guide for absolute newbies to get this working on their cameras?

I have a feeling that there will be a lot more like him now!

excellent work!

wow!
there's so much happening these days, it could make you dizzy!

it's not a good workflow, but for curiosity's sake, you might try rawtherapee.

the latest version is quite powerful with dual demosaicing capability.

it would be an interesting test, even just on a single frame...

Seriously, guys, this app is getting pretty amazing!

With the help of Masc, I found the cause of the I/O path problem I was experiencing.

It was a ramdisk I use...  I wasn't naming the virtual drive.  Adding any name solved the issue.

Thanks for the help, Masc!

Here's an annoyance that is hopefully easy to resolve (pun intended):

Whenever I'm doing any I/O operations, the destination always defaults to the same incorrect location.  It's a real problem for me because I'm constantly saving and loading receipts (while I await the much-needed receipt slots!), and it totally breaks down the workflow to have to navigate to someplace other than the CF card to do this.

Can mlvapp remember where you saved last, and default to that until you choose another location?  It would make things a lot smoother, especially when using keyboard shortcuts.

Thanks!

The floating edit window is excellent!

It's great to be able to enlarge the edit window on the second monitor, making it more enjoyable to work...

Thanks!

Can someone bring this magic to us 5D3 users?

I'm sure I'm not the only one who wants to test this!

Since I always shoot in 2.35:1, I call it "fullscreen" to get rid of the boxes on left and right

So, having the edit area in a floating window on another screen is just perfect for me!

If it's not too much trouble to add the option, it would be great!

Having a fullscreen viewer is great for critical grading. FPS is irrelevant when working with a still frame, and if one needs every ounce of playback speed, just disable the extra window...

PS: I'm happier with mlvapp than resolve for great results and much better control system!

Thanks for such a great app that just keeps getting better!

PPS: is there a way to define the output filenames when doing an bunch of clips, such as naming each clip in the editor?  I don't see any obvious way to do it...

Those stripes are the only issue that stands in the way of complete satisfaction for me with this camera.

Here's a typical "before" for me, and I can't wait for the after!!!

Is it possible to make an option for the edit area to be in a window/info box/whatever nomenclature as a floating window?

This would be great for multiple monitors!

Nice reduction of those nightmarish vertical stripes!

Wow, exciting!
I can't wait to see where this leads...

updated original post with link to the finished version on youtoob

https://youtu.be/W1jrxnZryDQ

It shocks me to see no 5D4 users helping out.

I'm so happy with my 5D3 thanks to all of the "magic" of magic lantern that I don't see any reason to upgrade, but seeing the lack of user participation with such a worthy camera makes me consider buying one just so I can help however I can.

I just don't know how much I can actually help.

Is there a curse on the 5D4?

I liked the video very much. Clean shadows too

Thanks, Danne!

Kharak, it's (just under) ISO 200 that's the sweet spot.

We're talking about lifting shadows to maximise dynamic range when capturing highlight details without clipping.

Pulling up dark shadows with stock ISO 100 is not a good thing.

It's definitely dark, but I don't know about lack of detail in the shadows.  Are you sure you're viewing it in fullrange?  If you're watching it at 16-235 you'll be missing the shadows and highlights.

I've been tinkering with dual ISO now that Danne made the builds for the 5D3...

70MM13,

In my opinion, your video is too dark.  There is no detail in the darkest areas.  I understand that you did this for artistic reasons but if you really want clean shadows while preserving detail in them, I suggest you try Dual ISO.  Settings like 100/800 or 200/1600 will provide very clean results while you will gain almost 3 stops of dynamic range.  This allows you a lot of headroom for protecting the highlights.  For very demanding shots, you can use the 3K croped mode providing up to 3072x1728 (16:9) resolution.  The quality will be even better.