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Type: Posts; User: Michael Tiemann

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  1. As long as sensors have finite dynamic range and...

    As long as sensors have finite dynamic range and non-zero levels of noise in the darks, then the principles of the Zone System (first articulated by Ansel Adams, but practiced and evidenced by so...
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    True! But also a pedantic dodge of the subject...

    True! But also a pedantic dodge of the subject of this thread. Yes, ISO is technically just metadata for RAW, but if you show up on set and everybody's dialed in to the idea that you're shooting at...
  3. Cool! Keep us up to date. Sounds really sweet!

    Cool! Keep us up to date. Sounds really sweet!
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    Umm...For many years RED's ISO claims were bunk. ...

    Umm...For many years RED's ISO claims were bunk. With IPP2, RED cleaned that up by recalibrating its ISO scale (!?) so that old ISO 800 is new ISO 400.

    What does this mean? It means that the old...
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    Flanders Scientific XM-310K.

    Flanders Scientific XM-310K.
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    The R3D media recording format is the same on...

    The R3D media recording format is the same on FAT32 and UDF. The big difference there is that FAT32 mounting and formatting is virtually instantaneous, whereas UDF is painfully slow.

    There is no...
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    The R3D format can tolerate the loss of the last...

    The R3D format can tolerate the loss of the last .R3D file in you RDC folder. If you are recording at 250MB/sec, you'll lose only 16 seconds worst case. It's a real heart-stopper when you have one...
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    A really big gotcha is that if you lose power...

    A really big gotcha is that if you lose power before prores proxy is properly finalized, it's a royal pain to recover. It's one thing to lose the last 4gb of shooting on a 1tb magazine, and another...
  9. Been seeing posts of people getting their sets...

    Been seeing posts of people getting their sets delivered. Any new thoughts on whether/how they've been tweaked since reviews last year?
  10. Dollar bills are MONEY.

    Dollar bills are MONEY.
  11. The Leitz FF lenses do look amazing, at...

    The Leitz FF lenses do look amazing, at approximately 10x the cost of the Vista Primes. As a "money no object" choice they certainly replace Master Primes in that regard.

    I salute all the...
  12. I was going by these projection tests: ...

    I was going by these projection tests:

    https://www.sharegrid.com/learn/lens-sets/cooke-s7-i
    https://www.sharegrid.com/learn/lens-sets/leitz-thalia...
  13. Arri Signature Prime. Leica Thalia. Cooke S7. ...

    Arri Signature Prime. Leica Thalia. Cooke S7.

    Tokina Vista is a step down in absolute resolution, but several steps down in cost.
  14. Elsewhere on the internet: Audio site...

    Elsewhere on the internet:

    Audio site Gearslutz.com will be changing its name in response to a petition:...
  15. You might have missed this the first time around:...

    You might have missed this the first time around:



    You continue:



    Downscaling *is* destructive. That doesn't mean it should be dismissed out of hand, nor that it should be accepted...
  16. Indeed. Some arbitrary decisions are easy to...

    Indeed. Some arbitrary decisions are easy to justify. Others...not so much.
  17. I use it and like it. But I don't lean hard on...

    I use it and like it. But I don't lean hard on it.
  18. Regarding waveform analysis, my benchmark is...

    Regarding waveform analysis, my benchmark is this: after white balancing the steps, if there is a distinct empty space below the step I count it as resolved DR. If there's a series of decreasing...
  19. On the subject of noise reduction, I think it's...

    On the subject of noise reduction, I think it's perfectly reasonable to report numbers as long as the NR type and parameters are reported. 1-frame TNR in Resolve does a great job reducing shadow...
  20. I read this as a half-hearted attempt a humor,...

    I read this as a half-hearted attempt a humor, and also a half-bitter expression of cynicism. And since we're all human, I'll say "I hear you!"

    But I'll also say that when the opportunity...
  21. You forgot that pixel size is also a part of the...

    You forgot that pixel size is also a part of the equation. If you have a 4k medium format sensor, pixels are huge and it would take a ginormous airy disk to become diffraction-limited. If you have...
  22. My favorite explanation:...

    My favorite explanation: https://www.cambridgeincolour.com/tutorials/diffraction-photography.htm
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    You have to remove the rear 3/8-16 screw and it...

    You have to remove the rear 3/8-16 screw and it works. But probably the wrong height for rods unless you raise it with something (like the expander box shown).
  24. Laowa just announced the f0.95 Argus line. The...

    Laowa just announced the f0.95 Argus line. The similarities and differences are interesting:

    https://photorumors.com/2021/01/11/venus-optics-laowa-argus-f-0-95-lenses-specifications/

    Because...
  25. Komodo's image quality to power usage (and sound...

    Komodo's image quality to power usage (and sound generation) ratio is a Big Deal to me, so I appreciate that. I can complain about other things it does not do, but it's a huge step forward in areas...
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