Redcrack Debate: ISO as post-decision "Doesn´t it matter what iso you choose ?"

[Anonymous]

Hello,

I am a true fan of redcentre and therefore would really like to have your take on this
highly discussed question:

What is the best procedure on “SET” when it comes to choosing the ISO?

Thanks a lot!!!

The Redcrack post:

http://reduser.net/forum/showthread.php?t=25135&highlight=ASA+exposure

320-ISO 5000 K stuff

This “camera always recording at 320-ISO and 5000 K” stuff gets me confused.
Can anybody tell me in simple words what the hell does it mean ?
Doesn´t it matter what iso you choose ?
You just fix the ISO and adjust the iris opening to get the right exposure ?
what ISO to shoot with then ?
what ISO / K settings for different light environments ? (sunny day. cloudy day, interiors at day/night, exterior nights ?)

I know there aren´t straight answers, I know it always dependes…but some help would be really appreciated

thanks a lot

[Author]

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