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<blockquote data-quote="BackdoorArts" data-source="post: 367665" data-attributes="member: 9240">I don't shoot bracketed that much any more, so this may be old news to many but it's something I've not noticed before.&nbsp; As I shot a 3 image sequence yesterday (+/-3 EV) my camera was in Aperture priority mode with Auto ISO on.&nbsp; Auto ISO was set so that the shutter speed was at the &quot;FASTER&quot; end of the range, so 2 clicks above the Shutter Speed = 1/Focal Length spot.&nbsp; When shooting in fixed ISO, which I used to do almost exclusively when I was doing a lot of HDR, the camera would keep the aperture and ISO constant and vary the shutter speed, but not so with Auto ISO on.&nbsp; For my 3 image set shot (with the 24-120mm at 34mm) I wound up with...0 EV:&nbsp; 1/80sec, f/5.6, ISO 250-3 EV: 1/250sec, f/5.6, ISO 100+3 EV: 1/80s, f/5.6, ISO 2000Now, with the D610 I have to say that the high ISO stuff worked just fine, particularly since the shadows I needed to pull weren't that severe.&nbsp; The nice thing is that I never had to worry about movement in the long exposure.My point in posting is that if you wind up with an exposure set you want to shoot but just can't seem to get a steady bright shot and don't have a tripod, consider switching Auto ISO on if you don't use it.&nbsp; A little noise is better than a blurry image you can't use.</blockquote>

[QUOTE="BackdoorArts, post: 367665, member: 9240"] I don't shoot bracketed that much any more, so this may be old news to many but it's something I've not noticed before. As I shot a 3 image sequence yesterday (+/-3 EV) my camera was in Aperture priority mode with Auto ISO on. Auto ISO was set so that the shutter speed was at the "FASTER" end of the range, so 2 clicks above the Shutter Speed = 1/Focal Length spot. When shooting in fixed ISO, which I used to do almost exclusively when I was doing a lot of HDR, the camera would keep the aperture and ISO constant and vary the shutter speed, but [I]not so[/I] with Auto ISO on. For my 3 image set shot (with the 24-120mm at 34mm) I wound up with... 0 EV: 1/80sec, f/5.6, ISO 250 -3 EV: 1/250sec, f/5.6, ISO 100 +3 EV: 1/80s, f/5.6, ISO 2000 Now, with the D610 I have to say that the high ISO stuff worked just fine, particularly since the shadows I needed to pull weren't that severe. The [I]nice[/I] thing is that I never had to worry about movement in the long exposure. My point in posting is that if you wind up with an exposure set you want to shoot but just can't seem to get a steady bright shot and don't have a tripod, consider switching Auto ISO on if you don't use it. A little noise is better than a blurry image you can't use. [/QUOTE]

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