PierreD

I use it most of the time with shutter speed and aperture on Manual, but limit it to max. 1600 in order to minimize noise. It works really well for most situations.

dennis2146 Loc: Eastern Idaho

Your first sentence says one thing but the rest of your post says different. With film you did well and worked within those parameters. Surely you can do the same with digital. You sound as if you know what ISO to use for different light circumstances.

Dennis

gessman Loc: Colorado

I would like to know more and understand what is happening in your case. Can you share with us what camera you're using that picks an ISO higher than you would and an example of when it happens? Are you mostly shooting timed exposures? Thanks.

BebuLamar

Even with time exposures if you set the shutter speed to low speed the ISO won't go high.

Photocraig

Even inside in the older school gymnasiums and at the Middle School levels and Rec departments, indoor lighting is poor to start with and inconsistently worse in spots. As a budget shooter with a slow tele zoom, To get the shot, I have to take any ISO I can get.

So, as a derivative of "F8 and BE there," maybe "Auto ISO f8 and 1/500th and BE there" for indoor sports and lighted night sports. And events, and street. And museums. I guess there's lots. I'll need to experiment more.

My Canon 77D has the DIGIC 8 processor which is good for high ISO. Let's get our money's worth.

gessman Loc: Colorado

I probably said that wrong. I meant long exposures not using the timer, like "bulb" shots. I really haven't thought that through or experimented with it - I was just hoping to get him to explain how he's shooting, in what mode and lighting situation that might be out of the ordinary that would cause his auto ISO to go too high but would permit him to set a lower ISO manually and get a cleaner image, all other settings remaining the same. It's seems that all cameras do not work the same. For instance, my Sony a6000 will shoot in auto ISO and "M" but my a6500 will not, so to use auto ISO with the a6500 I have to use "A" or "S" and maybe others I haven't tried. I thought that knowing what camera he uses that doesn't give him an auto ISO setting on the low end of the range might lead to better understanding the complete picture. His comments seem to be running counter to the norm here and I thought it would be interesting to find out why if possible??? I was just trying not to put him off with an abrasive approach. Perhaps you can find a better way of asking, rephrasing the idea.

gessman Loc: Colorado

I missed this - sounds like to me you have a fool-proof system worked out. It's nice when we get it dialed in and can rock back and get some images with the assurance that there won't be too many surprises.

gessman Loc: Colorado

ronpier Loc: Poland Ohio

I set Auto ISO at 1600 with minimum shutter speed at 1/60. ISO set at 100 on sunny days and 800 on cloudy days and let Auto ISO ride after setting Aperture and Shutter speed. Sometimes raise Auto ISO to 3200 if shutter speed is too slow.

TonyBrown

I use auto iso for bif. I try to keep my shutter speed to around 1//2000 and aperture to f8 and I find auto iso helps me get more keepers. Only problem is that in poor light the aperture at full focal length is restricted to 5.6/6.3 on my super zoom lenses so auto iso is often much too high. Works great though when the sun is out.

gessman Loc: Colorado

Seems you're leaving open the question of how you deal with the problem. It seems to me that, if you take command of and drop your auto ISO, in order to keep your preferred ratio you need to compensate that by dropping the shutter speed since you cannot open the aperture wider which means that you may or may not get the shot you want depending on the bif you're shooting. Do you keep shooting, accepting whatever blur you get, or do you just give up and go home?

Hammer Loc: London UK

I only use it when using a variable aperture lens or on moving objects that are passing through areas that have varying light , say moving through shadows.Although most of us do not like losing control of the function, it is very useful in theses sort of circumstances .

larryepage Loc: North Texas area

Camera response to lighting changes is never instantaneous...it takes some small fraction of a second to see the change in light, recalculate (or look up) exposure, then lock in the new values.

The camera can clearly do all this faster than the photographer can, but there is still an unavoidable delay. Have you ever seen the results of that delay show up in your images?

WessoJPEG Loc: Cincinnati, Ohio

Nikon D7200 SOOC, ISO 22800. Don't be afraid to shoot High ISO's

(Download)

BebuLamar

I have to try it out on my camera. I right now don't know which ISO the camera will choose if I have the shutter speed in B. Reading the manual it doesn't say what happens when you have Auto ISO on and shutter speed set to B.