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Type: Posts; User: marvinhello

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  1. 1DC: CLOG on 1D C uses BT.601 matrix, you might need...

    CLOG on 1D C uses BT.601 matrix, you might need to use a LUT to convert to BT.709
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    FS7: those 1.5 stops are reserved for the future,...

    those 1.5 stops are reserved for the future, actual DR on current cameras remain unchanged from SLog2 (6 stops above 18% grey)
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    FS7: Full scan with default 4K OLPF = image with heavy...

    Full scan with default 4K OLPF = image with heavy moire/aliasing in certain situations

    Centre scan with default 4K OLPF = little softer (than normal scan) but nice clean image.

    On F5/F55 there...
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    FS7: SNR in the shadow area is higher in HD mode due...

    SNR in the shadow area is higher in HD mode due to downsampling, theoretically each time you scale to half of the original resolution, you gain 0.5 stop of shadow DR. so scaling from 8MP to 2MP gets...
  5. 1DC: Adding new features will not happen, as...

    Adding new features will not happen, as development specifically for 1D C has discontinued, they only do maintenance (fixing bugs in existing firmware).
  6. 1DC: Some areas/sellers offer free shipping

    Some areas/sellers offer free shipping
  7. 1DC: To prevent unauthorised access to the firmware...

    To prevent unauthorised access to the firmware file, so no hack.
  8. 1DC: underwhelming

    underwhelming
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    FS7: Typically when shooting greenscreen you use a...

    Typically when shooting greenscreen you use a lower EI, on FS7 I'd say 1000 EI, you get cleaner shadows. With controlled lighting there's little risk of highlight clipping (at 1000 EI you have +5 -9...
  10. F5: No worries, these are all Sony's sophisticated...

    No worries, these are all Sony's sophisticated marketing.
  11. F5: First of all, SGamut3 is bigger than REC.2020 ...

    First of all, SGamut3 is bigger than REC.2020

    http://community.sony.com/sony/attachments/sony/large-sensor-camera-F5-F55/12359/2/TechnicalSummary_for_S-Gamut3Cine_S-Gamut3_S-Log3_V1_00.pdf Page 4...
  12. F5: F5 and F55/F65 have different CFA, the colour...

    F5 and F55/F65 have different CFA, the colour space is definitely different. This was backed up by Alister Chapman, a Sony ICE (Independently Certified Expert)


    ...
  13. F5: As far as I know, F5 and possible FS7, have a...

    As far as I know, F5 and possible FS7, have a gamut that is somewhere in between F55/F65 and standard REC.709. Not as pure and wide as F55/F65, but definitely larger than 709. Thus the need for...
  14. F5: Slog3 should work better with RAW recording or...

    Slog3 should work better with RAW recording or future 12bit 444 codec.

    Also due to different Colour Filter Array on F5, I doubt SGamut3/SGamut3.Cine on F5 are the same as F55/F65
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    FS7: I know that the 4K World Cup which was shot on...

    I know that the 4K World Cup which was shot on F55/F65, used EBU matrix and HG3 for most of the matches.
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    F55: Were you using Custom Mode or Cine EI with...

    Were you using Custom Mode or Cine EI with 3200ISO? If you were in Cine EI, changing ISO does not reduce dynamic range, it's always 14 stops. The only thing that changes is the distribution of stops...
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    [FS: Optics] Price dropped to 220USD

    Price dropped to 220USD
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    415

    [FS: General] Price dopped to 850USD+shipping, if picking up...

    Price dopped to 850USD+shipping, if picking up locally price will be 800USD.
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    [FS: General] Atomos Ninja Blade recorder package

    96100

    Package includes:

    1x Atomos Ninja Blade recorder (HDMI in/out, ProRes HQ/DNxHD 220X up to 1080p30)
    1x Atomos Sunhood for Ninja Blade
    1x Atomos Spyder Screen Calibration kit (Calibrates...
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    2,031

    FS7: Higher EI = more highlight headroom. At...

    Higher EI = more highlight headroom.

    At EI2000, DR is approx. +6/-8, at EI4000, it's +7/-7

    Same applies for Alexa, EI800 has +7/-7, EI1600 has +8/-6. More headroom requires more bits so higher...
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    FS7: The op mentioned there's no LUT applied. Alexa...

    The op mentioned there's no LUT applied.

    Alexa LogC for example, if you want white to clip at 109%IRE you have to use EI1600 or above, at EI800 or lower white clips well below 109%.

    Same...
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    FS7: Since EI mode shifts the middle grey point, you...

    Since EI mode shifts the middle grey point, you will notice the clipping point go up and down as you increase and decrease from EI2000.

    for example at EI500, white clips at about 85% IRE.
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    C300: Unless you have time and skill for intensive...

    Unless you have time and skill for intensive color grading, you will not get good colour (especially skintone) from Sony cameras. Also FS7 is heavier than C300.
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    F55: yes FS700/FS7/F5/F55 are all Fron-side...

    yes FS700/FS7/F5/F55 are all Fron-side Illuminated, because the pixel pitch is relatively large and BSI would not bring much benefits.

    F65 uses BSI as far as I know, the pixel pitch is 4 microns...
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    F55: OK so here's what I got from a sony engineer,...

    OK so here's what I got from a sony engineer, only F65 sensor is BSI, the others are standard Exmor sensor (FSI)
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