CHG_CANON Loc: the Windy City

An ideal camera supports Auto ISO in Manual with Exposure Compensation. Canon's newest / final DSLRs support this configuration, including the EOS 5DIV and EOS 7DII. I think Nikon's final DSLRs also support this feature. This feature has migrated to the EOS R# mirrorless cameras and I expect the same from Nikon.

Now we're talking about real photography that is analogous to cooking with gas. Set your shutter and aperture and the EC offset to the 0-mark that you'd do with manually setting the ISO. From that point onward, just let the camera meter the light and adjust the ISO if you don't make any changes to the aperture or shutter speed. But best of all is the camera responds with the ISO to maintain the same exposure offset whether / when you adjust the shutter speed or aperture.

Those of us shooting vintage manual focus lenses on mirrorless get this feature by default. Put the MILC in shutter priority (or aperture priority) with AUTO ISO and adjust your EC, if desired. Then, any changes you make to the aperture ring on the lens or the shutterspeed on the camera, the camera responds to the ISO the same as those DSLRonsaurs.

User ID

Location is indeed key !!!

Eagles are not really rare, but you prolly don’t want the scenes from my yard, with the crows tormenting the eagles or the eagles eating road kill.

Our city dwelling eagles are not the “noble” birds that represent the USPS ;-)

joecichjr Loc: Chicago S. Suburbs, Illinois, USA

A superb composition 🔥⭐⭐🔥

dpullum Loc: Tampa Florida

On Page 1, KCooke said: "I Manually set shutter, speed, and f stop using auto iso for action or moving wildlife. Otherwise manual and starting ISO of 50 or 100. Not saying it’s right it’s just what I do and works for me."

Yes, KCooke, correct. Exposure is a 3 point Teeter-Totter, chose two and to balance the third one changes automatically. In this post, the ISO will adjust automatically if the aperture and speed are set.

TerryVS

It's what I use 99% of the time. I use manual mode allowing me to pick shutter speed and aperture. I have the high end set at ISO 12800 (D750, 850,500) since I want to always get something. As long as you pay attention to the ISO it's the way to go for my work (photojournalism).

nimbushopper Loc: Tampa, FL

If I'm not shooting with flash( which is most of the time) then I'm in manual mode with auto ISO on so that I choose shutter speed and fstop and let the camera choose the ISO for exposure.

eadler

In aperture priority with auto ISO and you are shooting a moving subject the photo will often be blurred because the camera will select a shutter speed that is to too slow. So you have two choices. Either go with shutter priority or manually choose an ISO setting that will result in an appropriate speed. I go with door number 2

ELNikkor

That mode is very helpful when shooting a variable lighting situation of sports. I set the Auto ISO way up to 12,800, then a mandatory shutter speed of either 1/500 or 1/1000 so the action will be frozen; the D750 does the rest.

SuperflyTNT Loc: Manassas VA

That has to do with metering and not auto ISO. As long as you understand the lighting of the shot and know how to use exposure compensation there’s no problem. Modern cameras actually meter pretty decently in a lot of situations.

SuperflyTNT Loc: Manassas VA

I don’t believe he’s talking about manual focus, just manually setting the exposure.

NKshooter Loc: S. WI

Thanks joecicjr 😊

SuperflyTNT Loc: Manassas VA

Interesting. It seems to me using EC would be an easier way of doing the same thing.

DanielJDLM

I grew up learning the art of photography starting with a Kodak Pony, where you had to set aperture, shutter speed and distance. My first auto camera was a Konica Teflex, with external meter and the ability to shoot 72 photos on a 36 exposure roll of film. Fast forward to the digital age. I rarely shoot auto ISO. Nor do I shoot on Auto mode. I set up my D7500 with Aperture Priority, ISO of my choosing based on conditions, letting the camera select shutter speed. I use exposure compensation as needed, and sometimes will bracket just in case. Auto ISO, only when absolutely necessary.

User ID

Ungarble that advisory and its essence holds equally for *all* modes of AE:
Keep a watchful eye on the read outs.

dennisallard Loc: Southern Maine

I use auto ISO as one of the user settings on my D750 and my D7100. I find it ideal when I want "normal" exposures. I don't set a maximum because I only use it when I know that the ISO won't get too high. So far it's been very reliable.