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  1. #1
    Senior Member
    mikew's Avatar

    ISO is totally FAKE

    ISO is totally FAKE
    From Tony, love or hate him




    › See More: ISO is totally FAKE
    Mike

    https://www.flickr.com/photos/7239177@N07/

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  2. #2
    Senior Member
    Woodyg3's Avatar

    Re: ISO is totally FAKE

    I saw this video earlier today, and while I agree with some of what he says, he is off base in some ways. For instance, I always get more noise if I have to increase "exposure" in Lightroom than if I correctly expose in camera. So, I have yet to see a camera that is really "ISOless." Similarly, you can blow out whites in camera and never be able to get detail back.

    I do think that camera manufacturers fudge their ISO numbers, and I can tell you that my D500 exposes darker at the same settings with the same lens compared to my D7200.
    Woody Green

    Clear Eyes, Full Hearts, Can't Lose

    D500, D7200, D7100, D70

  3. #3
    Senior Member
    Horoscope Fish's Avatar

    Re: ISO is totally FAKE

    While I don't know if manufacturers fudge the numbers or not, I long ago came to the understanding that ISO is not part of exposure (only aperture and shutter speed do that), that digital noise is not the same thing as (film) grain but rather a side effect of the SNR and so forth. This of course upends the whole "Exposure Triangle" paradigm/apple cart, however, which in turn tends to upset many people in photography circles (based on my experience, anyway) in general so I've quit talking about it.

    I agree wholeheartedly what is now being called ISO should be rebranded as "Gain" because 1) it's the far more accurate term and, 2) gain can be measured objectively and thusly could be standardized absolutely.
    Thanks/Like FredKingston Thanks/liked this post
     
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  4. #4
    Senior Member
    mikew's Avatar

    Re: ISO is totally FAKE

    I understood totally the ISO invariance thing but chose to ignore it as i like to chimp my images, what surprised me was the inconsistency of the ISO values between different manufacturers, we know now why one ISO 100 is better than another.
    Mike

    https://www.flickr.com/photos/7239177@N07/

    Olympus EM1MK11,Panasonic G80, 12-60mm, 60mm macro, Leica 100-400mm

    Nikon 1 V2,FT-1,10-30mm 30-110mm Viltrox extension tubes










  5. #5
    Senior Member
    Woodyg3's Avatar

    Re: ISO is totally FAKE

    ISO is totally FAKE
    More on this topic and about Tony's video from Fstoppers.

    https://www.youtube.com/watch?v=EvJ-H_xl3zE
    Thanks/Like hark, Texas Thanks/liked this post
     
    Woody Green

    Clear Eyes, Full Hearts, Can't Lose

    D500, D7200, D7100, D70

  6. #6
    Staff
    Super Mod
    hark's Avatar

    Re: ISO is totally FAKE

    ISO is totally FAKE
    Quote Originally Posted by Woodyg3 View Post
    More on this topic and about Tony's video from Fstoppers.

    https://www.youtube.com/watch?v=EvJ-H_xl3zE
    That was an interesting video. Thanks for the info, Woody.
    Cindy
    Flickr
    and My 2019 Thread

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    -- Leonardo da Vinci



  7. #7
    Senior Member
    Woodyg3's Avatar

    Re: ISO is totally FAKE

    ISO is totally FAKE
    One more Fstoppers vid, and an well written technical article that clears things up:

    https://www.youtube.com/watch?v=RAb85TukSuc

    https://photographylife.com/iso-invariance-explained
    Woody Green

    Clear Eyes, Full Hearts, Can't Lose

    D500, D7200, D7100, D70

  8. #8
    Senior Member

    Re: ISO is totally FAKE

    Good advice at 8:57 in the video; just shoot the images correctly like you always have, stop pixel peeping, none of this really matters.
    Thanks/Like Woodyg3 Thanks/liked this post
     
    D810; D7200; AF-S 14-24mm f/2.8G ED; AF-S 24-120mm f/4G ED VR; Sigma 120-300mm f/2.8 Sport; Sigma 2X Teleconverter;
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  9. #9
    Senior Member
    Woodyg3's Avatar

    Re: ISO is totally FAKE

    ISO is totally FAKE
    Okay, one more video that I think really clears things up.

    https://www.youtube.com/watch?v=hwRsWomRzVQ
    Woody Green

    Clear Eyes, Full Hearts, Can't Lose

    D500, D7200, D7100, D70

  10. #10
    Senior Member
    Danno's Avatar

    Re: ISO is totally FAKE

    ISO is totally FAKE
    Quote Originally Posted by Woodyg3 View Post
    Okay, one more video that I think really clears things up.

    https://www.youtube.com/watch?v=hwRsWomRzVQ
    Thank you for sharing that Woody. That was very helpful.
    Thanks/Like Woodyg3 Thanks/liked this post
     
    Dan~~Kentucky

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