PASM why not add "I" to the dial?

Started Apr 28, 2013 | Discussions thread
Joe Porto Senior Member • Posts: 1,064
Re: Just turn on "auto ISO"

John Motts wrote:

Shutter Priority sets the aperture - you choose the shutter. Aperture Priority sets the shutter - you choose the aperture.

ISO priority sets the err....what does it set?  Both aperture and shutter? Isn't that called Programme mode?

Both shutter settings and aperture settings have practical uses. ISO under normal use does not. ISO is just set to the minimum possible to allow your choice of aperture or shutter speed. You raise it only when you run out of shutter speed or aperture settings.

In other words, I'm afraid you're not on to a winner there!

yeah, that's exactly what I said...

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