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  1. #11
    Senior Member

    Re: ISO is totally FAKE

    It seems Tony has caused quite a stir with that video. I don't think that Fstoppers agreed with everything Tony said. I believe the Fstopper guy said that boosting it in post was close, but not quite as good.

    Edit to add - I just saw this in the comments below the linked video:

    I would like to apologise to Shaun @ F-stoppers - I said in this video that they agreed with Tony's findings, however I now realise that isn't the case. I misunderstood their interpretation of what Tony was suggesting and believed they were fully agreeing with him, having watched the video again since I realise they are actually more in line with what I am suggesting here.Sorry F-stoppers


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    Last edited by Andy W; 03-02-2019 at 03:19 AM.
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  2. #12
    Senior Member
    Woodyg3's Avatar

    Re: ISO is totally FAKE

    Tony thrives on making these kinds of videos. His vids on not needing polarizing or neutral density filters, and on "equivalent" apertures for crop sensor cameras both really caused a lot of reaction.
    Woody Green

    Clear Eyes, Full Hearts, Can't Lose

    D500, D7200, D7100, D70

  3. #13
    Senior Member
    crashton's Avatar

    Re: ISO is totally FAKE

    I need to know what Ken Rockwell thinks of all this.
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    Chuck

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  4. #14
    Senior Member
    480sparky's Avatar

    Re: ISO is totally FAKE

    I gave up at 0:40 when he claimed it was 'a major challenge' to figure out exposure back if the film days.

    He11, I was doing it at 8 years old, so it couldn't have been THAT hard. Not like rocket surgery or brain science.
    Thanks/Like Woodyg3 Thanks/liked this post
     
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  5. #15
    Junior Member

    Re: ISO is totally FAKE

    The difference might be that when you increase ISO in camera, the camera hardware is performing an analog amplification of analog data - pre digital conversion. When you increase exposure in Lightroom you are essentially performing multiplication on quantized numeric data. I would expect that the analog operation is bound to be smoother. I suspect that Northrop is assuming that the same operation occurs in camera or in software.
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  6. #16
    Senior Member
    Dawg Pics's Avatar

    Re: ISO is totally FAKE

    Quote Originally Posted by rtchapman View Post
    The difference might be that when you increase ISO in camera, the camera hardware is performing an analog amplification of analog data - pre digital conversion. When you increase exposure in Lightroom you are essentially performing multiplication on quantized numeric data. I would expect that the analog operation is bound to be smoother. I suspect that Northrop is assuming that the same operation occurs in camera or in software.
    Welcome to the forum.
    That is kind of what I was thinking. It isn't the same process in camera vs software. Anyway, he got his clickbait with the all caps "FAKE."
    I would think that even if there was one agreed upon ISO instruction (sorry, not an engineer) in camera used uniformly by everybody, the individual manufacturers still have their proprietary process for digitizing the images, so the outcome for each camera would be different anyway. No? I didn't understand the point of comparing ISO for different cameras because of this.

    People shoot and decide what works for them anyway, so does it really matter as long as photographers understand what the ISO settings accomplish?
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