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Everything posted by Sage
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Its the conversion process itself that is entirely new; its pretty impressive
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That's looking good, nice shot! This thread was to announce the conversion as being publicly available (would've gone under the radar in the other thread) HLG to VLog conforms HLG to match the VLog space (not gamma alone; has a 3d color match throughout the space) Using that Varicam 35 look up table conforms the VLog color space to Varicam's specified output colors for 709; what Panasonic thought looked good for their flagship Likewise, the Driftwood look up table is intended to take HLG to a Rec709 ready image
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I saw it in IMAX... but I was a little too close to the screen...
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Vlog is the core of the original GHa; though wait a bit to decide. Something very relevant is coming
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@Rikoshet This is actually the newer thread; the original is here: Your description was correct, it can be used like that
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Its looking great Jeremy! Watch this space
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That's correct; that'll work well. Let me know how you get on
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I just saw this video; this thing is really impressing me right now. It apparently has a telephoto lens option. This might just be worth doing something for
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That's true. I hear from my sister that the camera is pretty good; its her favorite feature. She showed me this really incredible 'portrait mode' which is the first time I've seen shallow DOF on a phone (using dual camera math). I suspect it isn't available to video, but I'll check it out
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Granted all auto image params can be locked down (and macroblocking isn't too bad on the X) - Prepare for a surprise! ; )
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Great, thanks. That should do
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My sister happens to have an iPhone X. I will do this - does anyone know if exposure can be locked down and incremented on the iPhone?
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I will be able to match them exactly ; ) I need both cameras in my possession - the GH5S is already accounted for. If someone with the 1Dx is willing to lend out their camera for a day or two, I will gladly do this
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The color science is improved; though the two cameras may safely be considered independent of color science
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Its about as good a mic as can be had for film work, a mini version of the famous Cmit 5u, Scheops long awaited entry into shotguns (they wrote the book on hypercardioids with the CMC641). It is unique as a shotgun that can be used outdoors and in (apart from Sanken), and is very lightweight, with amazing sound
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The "Blue" Update is out: Deeper, Richer Blues Smooth, Foregrounded Skintone Brighter, Richer Greens Adjusted Shadow Gamma Placement Core LogC: Tweaked Clipping Rolloff
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Thanks Oliver! There are a number of factors at play; there may be variance between GH5 copies. David L'Abbée notes the opposite, and indeed his reference charts show skintone and red deviating to green. This may or may not be the case; I am about to conduct some tests to nail down variance and develop solutions as needed. May I ask, what lens(es) do you happen to be using? I would recommend only placing white balance corrections before GHa, and all other corrections after it. Now, there is the caveat that if it works for you, then it is worth doing. Often times, the creator of a thing cannot envision the uses it will find when released into the world.
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The behavior is correct - Alexa does it too ; ) With wide gamut to 709 primaries, most saturated blues become very saturated
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Thats only in the case of doing a match with the Alexa in a side by side - otherwise , feel free to set exposure as you see fit. I personally prefer to expose for middle gray Updates this weekend
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Yes, that will work well. Per that project I messaged you about, there will be a solid reference match (core focus)
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That's right, the result of using GHa LogC is a stand in for Alexa LogC. Going from there, it may be treated as LogC from an Alexa (it can accept Arri's Rec 709 or other transforms intended for LogC). GHa Main and Soft are alternatives to Arri's Rec709; they all handle saturation in a way that is reminiscent of film (and is not in Alexa LogC natively), but place overall saturation and contrast differently as a grade base: Main - Most Saturation, Middle Contrast (Mostly linear) Soft - Middle Saturation, Lowest Contrast (Mostly linear) Arri's Rec709 - Least Saturation, Most Contrast (S-emphasized)
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Thanks Juan; grading the Alexa seems especially silky to me. Perhaps its the ProRes I frame, the diffused 2k, uniformity of the bits, psychology, or some combination of the lot. The conversion is largely smooth and uniform, as a continuous transform of the space. The GH5 has quite a bit more detail than my Alexa C From what I can tell, it seems very similar, perhaps with a less green red. There are also the new clipping fixes like in GHa, though the rolloff remains sudden. GH5S support is the plan; Colby Moore will be sending me his GH5S to do the conversion with once I am done primary work on the new process
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I look forward to seeing your work! For a little update, I faced the most absurd technical challenge last week. Thursday, after a week of struggle, it was solved; today was the very first test with the Arri