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<blockquote data-quote="WayneF" data-source="post: 220772" data-attributes="member: 12496">Which camera body?&nbsp;&nbsp; Models vary in how they do Auto ISO with flash.&nbsp; Older models (D300 and older) did not increase ISO when flash is being used (stayed at lowest minimum, which seems perfect to me).&nbsp; Then D300S and later started fully increasing ISO for the dim ambient exposure, even with flash, which the flash had to use.&nbsp; That's bad news, turn Auto ISO off with flash (and of course, it absolutely has to be off with manual flash).&nbsp; Then about the last three newest models (I'm aware of D800, D600, D7100)&nbsp; fixed that better, and will not increase ISO more than two stops if flash is to be used, like 100 to 400.&nbsp; That's much better, finally.You can determine this easily, what it does.&nbsp; With flash turned off (door closed), see what the ambient exposure and ISO is.&nbsp; Then reach up and turn on the flash, and check again.&nbsp; ISO is not reduced on these intermediate date models.You're the one in control.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />&nbsp; Just turn Auto ISO off with flash.&nbsp; You are using flash instead.&nbsp; However, the little internal flash, and also bounce, can benefit by&nbsp; as much as ISO 400.&nbsp; Just set the ISO you need, instead of letting automation max it out.Yes, bounce it on the white ceiling.&nbsp; &nbsp; Walls can bounce fine, but are often more colored than the ceiling.And if using Auto ISO, and if the ISO is high, you are also picking up the orange incandescent lights.&nbsp; Turn ISO down.&nbsp; Then as mentioned, using Manual flash with a 1/200 second shutter speed will keep out the colored incandescent/CFL colors.&nbsp; It all becomes pretty easy.&nbsp; Some easy tips for&nbsp; &nbsp; <a href="http://www.scantips.com/lights/flashbasics1f.html" target="_blank">White Balance Correction, with or without Raw</a>It is a fact of life, we have to deal with it.&nbsp;&nbsp; Digital does not have the guy at the film processing lab (making prints) doing it for us now.IMO, generally wasted time, money, and flash power.&nbsp;&nbsp; Not the answer - is not even the problems you are having.&nbsp;&nbsp; Things like umbrellas are fantastic, but the tiny diffusers are not at all the same thing.That is good.&nbsp;&nbsp; Does not need to be prime - any f/2.8 lens performs better at f/4 than a f/4 lens wide open.Indoors with flash in dim places, this is like P or Auto mode, you are back to shooting wide open again.</blockquote>

[QUOTE="WayneF, post: 220772, member: 12496"] Which camera body? Models vary in how they do Auto ISO with flash. Older models (D300 and older) did not increase ISO when flash is being used (stayed at lowest minimum, which seems perfect to me). Then D300S and later started fully increasing ISO for the dim ambient exposure, even with flash, which the flash had to use. That's bad news, turn Auto ISO off with flash (and of course, it absolutely has to be off with manual flash). Then about the last three newest models (I'm aware of D800, D600, D7100) fixed that better, and will not increase ISO more than two stops if flash is to be used, like 100 to 400. That's much better, finally. You can determine this easily, what it does. With flash turned off (door closed), see what the ambient exposure and ISO is. Then reach up and turn on the flash, and check again. ISO is not reduced on these intermediate date models. You're the one in control. :) Just turn Auto ISO off with flash. You are using flash instead. However, the little internal flash, and also bounce, can benefit by as much as ISO 400. Just set the ISO you need, instead of letting automation max it out. Yes, bounce it on the white ceiling. Walls can bounce fine, but are often more colored than the ceiling. And if using Auto ISO, and if the ISO is high, you are also picking up the orange incandescent lights. Turn ISO down. Then as mentioned, using Manual flash with a 1/200 second shutter speed will keep out the colored incandescent/CFL colors. It all becomes pretty easy. Some easy tips for [URL="http://www.scantips.com/lights/flashbasics1f.html"]White Balance Correction, with or without Raw[/URL] It is a fact of life, we have to deal with it. Digital does not have the guy at the film processing lab (making prints) doing it for us now. IMO, generally wasted time, money, and flash power. Not the answer - is not even the problems you are having. Things like umbrellas are fantastic, but the tiny diffusers are not at all the same thing. That is good. Does not need to be prime - any f/2.8 lens performs better at f/4 than a f/4 lens wide open. Indoors with flash in dim places, this is like P or Auto mode, you are back to shooting wide open again. [/QUOTE]

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