Thread: Someone please explain to me what Alchemy is doing

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  1. #1 Someone please explain to me what Alchemy is doing 
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    It seems all it is doing is fitting an s-curve with soft clips at high and low ends, but that is something I would rather do by hand in Davinci. Am I missing something?

    WHy is everyone so excited about this?

    Redcolor3 and Gamma 3 THAT's exciting, that's more than exciting. I've been checking every day to see if it is released because color2 was so awesome, but Alchemy seems just a lazy man's root to contrast grading - it can't be just that, could it?

    I must be missing something...
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  2. #2  
    Quote Originally Posted by Rob Ruffo View Post
    It seems all it is doing is fitting an s-curve with soft clips at high and low ends, but that is something I would rather do by hand in Davinci. Am I missing something?

    WHy is everyone so excited about this?
    Because they don't know how to use DaVinci.

    Quote Originally Posted by Rob Ruffo View Post
    Redcolor3 and Gamma 3 THAT's exciting, that's more than exciting.
    Totally agree.

    Quote Originally Posted by Rob Ruffo View Post
    I've been checking every day to see if it is released because color2 was so awesome, but Alchemy seems just a lazy man's root to contrast grading - it can't be just that, could it?

    I must be missing something...
    You're overestimating people's desire to learn how to use a free program in order to get the most out of their $60,000 camera.

    That's all you're missing. My 2c.

    But yes - on a more positive note: UNLEASH THE REDCOLOR3 KRAKEN!

    I can say that because I did the title for that trailer :P

    Bruce Allen
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  3. #3  
    Senior Member Doug Beatty's Avatar
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    Agreed with all of the above. I also think alchemy may be slightly adjusting the saturation..not so sure about that one though.

    I'm sure someone more versed in expressions could create an "Alchemy" slider for After Effects which would be much handier because of dynamic linking to Premiere.
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  4. #4  
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    This blows me away. Sometimes I feel guilty charging as much as we do, but then I realize that we do way more work learning things than average, and that this knowledge empowers our clients. But the extent displayed here is a bit astounding, I must say.
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  5. #5  
    Senior Member jake blackstone's Avatar
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    That all is great, until you run into a mixed source timeline-Red/Canon/Sony/Alexa, which, unfortunately happens all the time. Obviously, Alchemy is Red-centric and doesn't work on anything else, beside Red. Red will not even tell you what Alchemy does or how it works. What then?
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  6. #6  
    Jake, I think this is also part of Rob's point.

    Likewise, for me, Alchemy is a non-starter because of the large amount of VFX in most of the stuff I do.

    Much better to process it clean and then add that look in the grade after the VFX are done.

    Bruce Allen
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  7. #7  
    Quote Originally Posted by jake blackstone View Post
    That all is great, until you run into a mixed source timeline-Red/Canon/Sony/Alexa, which, unfortunately happens all the time. Obviously, Alchemy is Red-centric and doesn't work on anything else, beside Red. Red will not even tell you what Alchemy does or how it works. What then?
    why would anyone pre-grade anything, except maybe re-setting white balance or adjusting exposure, in a mixed source timeline?

    I think Alchemy's primary use is on-set, Rob, and for fast environments.
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  8. #8  
    Senior Member Alexis Hanawalt's Avatar
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    My 2 cents: It's categorized under "Post: Look: Effects." It's an effect. It's a quick way to spruce something up, just like the other "effects" filed under that tab. Not a big deal. (but really fun to watch on the histogram.)

    I think this conversation gets filed under "what kind of program is RedCine X Pro now?" because every feature that takes it beyond "one-light" adds to people's confusion about workflow and best practices.
    Alexis Hanawalt
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  9. #9  
    Senior Member Jack Shanahan's Avatar
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    Quote Originally Posted by Alexis Hanawalt View Post
    My 2 cents: It's categorized under "Post: Look: Effects." It's an effect. It's a quick way to spruce something up, just like the other "effects" filed under that tab. Not a big deal. (but really fun to watch on the histogram.)

    I think this conversation gets filed under "what kind of program is RedCine X Pro now?" because every feature that takes it beyond "one-light" adds to people's confusion about workflow and best practices.
    For now - in a commercial environment -is Redcine and Alchemy as a good way of showing clients and the like a nice dialed in image? Or is it better to set curves etc in camera so they can see a dialed in image on playback?
    Jack Shanahan
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  10. #10  
    Quote Originally Posted by Jack Shanahan View Post
    For now - in a commercial environment -is Redcine and Alchemy as a good way of showing clients and the like a nice dialed in image? Or is it better to set curves etc in camera so they can see a dialed in image on playback?
    Personally, I just don't like RED colors and often need secondary color correction to show a truly "dialed in" image. So I go to DaVinci on a laptop or even After Effects if I want to show someone a look.

    For on-set, realtime monitoring... pipe out the standard RED colors (which look not so good) and say to the client "hey, see this thing on this laptop? This is what color will actually look more like".

    Or if you want to get really fancy, shoot RedLogFilm and run through a 3D LUT box in realtime? I dunno, sounds fun to me (and with a Blackmagic HDLink it's not that expensive) but I've never done it.

    Bruce Allen
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