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<blockquote data-quote="FLATSIX" data-source="post: 635854" data-attributes="member: 43971">Hallo again,I just did some tests in my dark livingroom. I first took my D7000 : put it on &quot;M&quot; and set diafragm to 5.6 and then dialed the shutter speed till meter wasd in the middle.I took the picture : iso taken was 6200 iso (without flash)Then I put the flash to &quot;on&quot; (with auto-iso on)and made the same picture without changing anything = picture was made at iso 500 (my min.iso= set to 125 here...) - expore seemde good.Then I took my D500 : did exactly the same : &quot;m&quot; and 5.6 dialing till meter in the center : took picture = iso 6400 - so OKThen put flash to &quot;on&quot; (with auto-iso on) - took the picture and iso taken = 4000 !Both camera's set to auto-iso - both with their max. iso setting at 6400. The 7000 takes the picture at 4x min.iso = 500 iso, my new machine takes picture at iso 4000 with flash ?I know I should not work with auto-iso when using flash, but I expected both results from the 2 camera's +/- the same. It seems my D500 boosts the iso enormously in comparison of the older D7000.???I don't get it.</blockquote>

[QUOTE="FLATSIX, post: 635854, member: 43971"] Hallo again, I just did some tests in my dark livingroom. I first took my D7000 : put it on "M" and set diafragm to 5.6 and then dialed the shutter speed till meter wasd in the middle. I took the picture : iso taken was 6200 iso (without flash) Then I put the flash to "on" (with auto-iso on)and made the same picture without changing anything = picture was made at iso 500 (my min.iso= set to 125 here...) - expore seemde good. Then I took my D500 : did exactly the same : "m" and 5.6 dialing till meter in the center : took picture = iso 6400 - so OK Then put flash to "on" (with auto-iso on) - took the picture and iso taken = 4000 ! Both camera's set to auto-iso - both with their max. iso setting at 6400. The 7000 takes the picture at 4x min.iso = 500 iso, my new machine takes picture at iso 4000 with flash ? I know I should not work with auto-iso when using flash, but I expected both results from the 2 camera's +/- the same. It seems my D500 boosts the iso enormously in comparison of the older D7000.??? I don't get it. [/QUOTE]

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