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  1. #1
    Senior Member
    JH Foto's Avatar

    Auto ISO or not..?

    I have been using auto ISO and I am happy with the result, what are the disadvantages of this ?


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    I have an advanced degree in procrastination and another one in paranoia.



  2. #2
    Senior Member
    mikew's Avatar

    Re: Auto ISO or not..?

    Quote Originally Posted by JH Foto View Post
    I have been using auto ISO and I am happy with the result, what are the disadvantages of this ?
    For what we do i cant think of any,i want to control my shutter speed when using a 600mm lens,so that means aperture or ISO changing,the aperture is limited to a max of f6.3 so i feel i can go further with ISO and in good light i dont want the lens to stop down more than f9/11 so manual with auto ISO fits the bill for me.
    Thanks/Like JH Foto, Don Kuykendall Thanks/liked this post
     
    Mike

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  3. #3
    Senior Member
    J-see's Avatar

    Re: Auto ISO or not..?

    Quote Originally Posted by JH Foto View Post
    I have been using auto ISO and I am happy with the result, what are the disadvantages of this ?
    It's situational. Depending upon your cam/lens and what you intend to do with the shot, auto-ISO can be rewarding, or not. There's a point in every situation beyond which "more" ISO will have negative effects. The trick is to know how far you can take it in any given situation.

    Just setting it to auto and let the cam decide how much won't bring the best results.

  4. #4
    Senior Member
    jay_dean's Avatar

    Re: Auto ISO or not..?

    Good for birding/wildlife, but i wouldn't use it for much or anything else. If you try landscapes with it for example, you'll end up fighting with the camera settings. It also has a tendency to blow out in certain situations
    Best Answers Blacktop voted best answer for this post
     

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  5. #5
    Senior Member
    Horoscope Fish's Avatar

    Re: Auto ISO or not..?

    It's rare when I'm NOT using Auto-ISO. My reasoning is that all three legs of the exposure have a dual-nature: all three have a "Virtue (something that works FOR us) and a "Vice" (something that works AGAINST us). These six attributes are the "balls" of the juggling act that is photography. No matter how far you progress with your photography you will never not be performing this juggling act. In time, you may have to think about it less, but the juggling act will never cease to be happening since it lies at the very core of photography itself. Shutter speed's vice is undesired motion blur. Aperture's vice is undesired softness or a flat out blurry shot and ISO's vice is digital noise.

    Because I like to creatively control motion blur (or the lack thereof) and since it's almost impossible to correct unintentional motion blur in post processing, I like to be in charge of the chosen shutter speed. Because I like to creatively control the background, prefer sharp shots generally speaking and because it's almost impossible to correct a soft or out of focus shot in post processing, I like to take charge of the chosen aperture. Digital noise, on the other hand, is very correctable during post-processing and, at least in my opinion, its most potent vice does the least "damage" to a shot, comparatively speaking, whereas the other two typically result in an unrecoverable shot.

    Yes, there are times when ISO is a much larger factor in the equation and when that is the case, I take charge of ISO as well. But again, generally speaking, ISO is the thing I worry about least which is why I'm comfortable letting the camera handle it for the most part. I can also constrain how much latitude the function has in the Auto-ISO menu as well so, in short... I don't really see any downside to using Auto-ISO.
    Last edited by Horoscope Fish; 12-15-2015 at 02:31 PM. Reason: Clarifications, Typo Corrections...
    Thanks/Like mikew, lrlebron, Danno Thanks/liked this post
    Best Answers mikew voted best answer for this post
     
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  6. #6
    Senior Member
    mikew's Avatar

    Re: Auto ISO or not..?

    Quote Originally Posted by Horoscope Fish View Post
    It's rare when I'm NOT using Auto-ISO. My reasoning is that all three legs of the exposure triangle have a potential downside (I call them the Three Evils): With shutter speed the potential downside is undesired motion blur. With aperture it's undesired softness or a flat out blurry shot. With ISO it's digital "noise".

    Because I like to creatively control motion blur (or the lack thereof) and since it's almost impossible to correct unintentional motion blur in post processing, I like to be in charge of the chosen shutter speed. Because I like to take charge of how the background looks and prefer sharp shots generally speaking and and since it's almost impossible to correct a soft or out of focus shot in post processing, I like to take charge of my aperture. Digital noise, on the other hand, is very correctable during post-processing and, at least in my opinion, its most potent downside does the least "damage" to a shot, comparatively speaking, whereas the other two typically result in an unrecoverable shot.

    Yes, there are times when ISO is a much larger factor in the equation and at those times I take charge of that as well. But again, generally speaking, ISO is the thing I worry about least which is why I'm comfortable letting the camera handle it. I can constrain it in large degree anyway, in the Auto-ISO menu so I don't really see any downside to using Auto-ISO.
    Thats what i meant,wish i could explain like you
    Mike

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

    Nikon Z50,16-50MM,50-250MM
    Nikon V2,10-30MM,30-110MM FT1 Adapter

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  7. #7
    Senior Member
    JH Foto's Avatar

    Re: Auto ISO or not..?

    Thanks for your views guy's............
    I have an advanced degree in procrastination and another one in paranoia.

  8. #8
    Senior Member
    singlerosa's Avatar

    Re: Auto ISO or not..?

    I use it occasionally when the light is changing (sun, clouds, shade, etc.). Never use it with flash.

    Jim Singler - D750 & D7200; 14-24 2.8, 24-70 2.8, 24-120 VRII, 70-200 2.8 VRII, 70-300 VR, 200-500 VR, 50 1.4D, 85 1.8G, Tokina 100 2.8; 3 SB-800s, SB-500


  9. #9
    Senior Member
    mikew's Avatar

    Re: Auto ISO or not..?

    The other obvious thing is find the highest ISO for your camera that you are happy with and dont go above it,although the highest may be different in different situations and different subjects.
    Thanks/Like Danno Thanks/liked this post
     
    Mike

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

    Nikon Z50,16-50MM,50-250MM
    Nikon V2,10-30MM,30-110MM FT1 Adapter

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











  10. #10
    Senior Member
    Challenge Team
    Blacktop's Avatar

    Re: Auto ISO or not..?

    Quote Originally Posted by mikew View Post
    Thats what i meant,wish i could explain like you
    Don't forget, Fish is a college professor, or sumpin like that.
    Thanks/Like mikew Thanks/liked this post
     
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