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  1. #1 RED Format Resolutions 
    I am just trying to find out the exact resolution to the RED formats. If any of you could fill in the blanks that would be cool:
    4.5K = 4520 x 2540
    4K = 4096 x ?
    2K = 2048 x ?
    1080P = 1920 x 1080
    720P = 1280 x 720
    480P = 720 x 480
    Just 4K and 2K I am not completely sure of due to seeing different numbers being listed on different websights. Thanks.
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  #2  
    4.5K or 2540p = 4520 x 2540

    4K = 4096 x 2304

    2K = 2048 x 1152

    1080 & 720 numbers are correct (as was 4.5K)

    We do not support 480 (NTSC) or 576 (PAL). HD and up only.

    There are various 4K & 2K resolutions in use. It depends on aspect ratios and a couple of other things. Since our sensor has a 16:9 shape the vertical resolution for 4K & 2K is 4096 and 2048 divided by 16:9.

    In post you can crop that to other 4K & 2K "standards" or any aspect ratio you want / need.
    ROBCODE Santa Claus @ RED

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  3. #3  
    Thanks. I did not mean to put 480P, but just out of habit I did.
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  4. #4  
    REDuser Sponsor Brook Willard's Avatar
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    Rob, what is the full sensor resolution? I'm referring to the 4.9K overscan... 4900x2580? I know it can't be captured.
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  #5  
    Yes, 4900 x 2580. I wouldn't really use the term overscan for it though.
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  6. #6  
    REDuser Sponsor Brook Willard's Avatar
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    Look-around?
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  #7  
    Look-around uses the 4.5K area
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  #8 Max frame size 
    Red Team Stuart English's Avatar
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    Rob is correct 4520 x 2540 is the max area, and its used for look around when you are shooting 4K, 2K, 1080p, 720p etc...

    The pixels outside this maximum imaging area are matted off so that no light can illuminate them. Then we use their output to perform an automatic black level compensation - which you typically need to do manually on a professional level 3 chip CDD camera.
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  9. #9  
    Wow Stuart that is very clever. So the red camera is automatically black balanced at 7.5ire at start up?
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  10. #10  
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    Quote Originally Posted by tj williams View Post
    Wow Stuart that is very clever. So the red camera is automatically black balanced at 7.5ire at start up?
    One would hope 0IRE (or whatever the digital equivalent is), since RED doesn't speak SD...
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