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Use or don’t use auto ISO
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Jun 11, 2018 17:31:36   #
srt101fan
 
DWU2 wrote:
I use it from time to time, and with a limit set on the upper ISO range. Someone said they set the max to 12800. Seems high to me due to potential noise. I might set the limit to be 4800, possibly less.


If I remember correctly, 12800 was actually suggested by Ken Rockwell as the upper limit setting for the Nikon D5300. Sometimes it might be a question of "noisy" image or no image at all.

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Jun 11, 2018 19:14:32   #
GregWCIL Loc: Illinois
 
This isn't rocket science. You have an exposure triangle. For landscape shots with a tripod I want to control the depth of field and have as low an ISO as possible for a cleaner image so I use aperture priority and let the shutter speed adjust automatically. For wildlife shutter speed is a much higher priority. But wildlife are most active at dawn and dusk so light is a limiting factor. Assuming you are shooting at your widest aperture, you have a choice: higher shutter speed and higher ISO or lower shutter speed and lower ISO. Auto ISO has given me more keepers by keeping shutter speed higher. No software will fix a motion-blurred image, but many programs can deal with noise from higher ISOs.

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Jun 11, 2018 19:17:17   #
henrycrafter Loc: Orem Utah
 
I am a control freak. So with very rare exceptions I do everything manual and raw. Granted this slows me down bu speed is not an issue with me so that doesn't matter.

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Jun 11, 2018 19:38:43   #
srt101fan
 
GregWCIL wrote:
This isn't rocket science. You have an exposure triangle. For landscape shots with a tripod I want to control the depth of field and have as low an ISO as possible for a cleaner image so I use aperture priority and let the shutter speed adjust automatically. For wildlife shutter speed is a much higher priority. But wildlife are most active at dawn and dusk so light is a limiting factor. Assuming you are shooting at your widest aperture, you have a choice: higher shutter speed and higher ISO or lower shutter speed and lower ISO. Auto ISO has given me more keepers by keeping shutter speed higher. No software will fix a motion-blurred image, but many programs can deal with noise from higher ISOs.
This isn't rocket science. You have an exposure tr... (show quote)


Good comment. Not all seem to recognize that there are different shooting scenarios calling for different approaches.

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Jun 11, 2018 19:41:13   #
Linda From Maine Loc: Yakima, Washington
 
srt101fan wrote:
Good comment. Not all seem to recognize that there are different shooting scenarios calling for different approaches.
It's more that all have their own favorite way and passionately argue for it

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Jun 11, 2018 19:57:27   #
SharpShooter Loc: NorCal
 
sinderone wrote:
I have generally kept auto ISO on and just over ridden it when called for. I am now wondering, however, if I should simply leave it off. To that end, I’m curious what others do.


Auto ISO is one of the most useful tools/settings on your camera.
There are a lot of people that are pretty clueless about using a camera, that’s why you hear things like “never use Auto ISO”,or, “never use more than the center AF point”, or , “done it that way since film” etc, etc!!!
Don’t be that shooter, know your camera’s setting/modes and how to use them, all of them.
Whatever you do, don’t put a limit on it! What you gonna do, shoot that race cars at 1/2 second because your ISO needs to be above 6400? There’s a reason it needs to be above 6400!!!
SS

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Jun 11, 2018 19:59:26   #
rgrenaderphoto Loc: Hollywood, CA
 
Linda From Maine wrote:
Once I discovered auto ISO, there was no turning back I set shutter speed and aperture based on my subject and what I want the result to look like. I set ISO manually if conditions call for it. If you're getting the look you want and aren't frustrated by incorrect exposure, why change?

For a pro photographer's endorsement of auto ISO in certain conditions, read Steve Perry (he's on UHH):

http://www.uglyhedgehog.com/t-517754-2.html#8771285

---
Once I discovered auto ISO, there was no turning b... (show quote)


Steve Perry's technique is spot on.

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Jun 11, 2018 20:00:54   #
LarryFB Loc: Depends where our RV is parked
 
SharpShooter wrote:
Auto ISO is one of the most useful tools/settings on your camera.
There are a lot of people that are pretty clueless about using a camera, that’s why you hear things like “never use Auto ISO”,or, “never use more than the center AF point”, or , “done it that way since film” etc, etc!!!
Don’t be that shooter, know your camera’s setting/modes and how to use them, all of them.
Whatever you do, don’t put a limit on it! What you gonna do, shoot that race cars at 1/2 second because your ISO needs to be above 6400? There’s a reason it needs to be above 6400!!!
SS
Auto ISO is one of the most useful tools/settings ... (show quote)


One of the more accurate responses I have seen. Sharp Shooter, you are right on.


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Jun 11, 2018 20:27:38   #
srt101fan
 
Linda From Maine wrote:
It's more that all have their own favorite way and passionately argue for it


No, Linda, not good enough. The favorite ways you speak of don't apply to all shooting scenarios. New learners might get confused. Not everybody shoots with a 3-legged camera aimed at a stationary subject.

I think that folks that post "definitive" comments on what to do should also mention what type of photography they engage in. "Street", "Landscape" and colonoscopy imaging ain't the same....

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Jun 11, 2018 21:53:49   #
ken_stern Loc: Yorba Linda, Ca
 
srt101fan wrote:
No, Linda, not good enough. The favorite ways you speak of don't apply to all shooting scenarios. New learners might get confused. Not everybody shoots with a 3-legged camera aimed at a stationary subject.

I think that folks that post "definitive" comments on what to do should also mention what type of photography they engage in. "Street", "Landscape" and colonoscopy imaging ain't the same....


COLONOSCOPY ??
Googled it & discovered the following definition:
"Colonoscopy is a procedure that enables an examiner (usually a gastroenterologist) to evaluate the inside of the colon (large intestine or large bowel)."

You're not telling me that High Doses of ISO will prevent the need for this delightful procedure --- Are you ??

Calm down just trying to express a little humor ---

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Jun 11, 2018 22:15:09   #
GregWCIL Loc: Illinois
 
ken_stern wrote:
COLONOSCOPY ??
Googled it & discovered the following definition:
"Colonoscopy is a procedure that enables an examiner (usually a gastroenterologist) to evaluate the inside of the colon (large intestine or large bowel)."

You're not telling me that High Doses of ISO will prevent the need for this delightful procedure --- Are you ??

Calm down just trying to express a little humor ---


The way UHH is going, I'm sure there will be a new colonoscopy section showing up.

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Jun 11, 2018 22:24:42   #
rgrenaderphoto Loc: Hollywood, CA
 
srt101fan wrote:
No, Linda, not good enough. The favorite ways you speak of don't apply to all shooting scenarios. New learners might get confused. Not everybody shoots with a 3-legged camera aimed at a stationary subject.

I think that folks that post "definitive" comments on what to do should also mention what type of photography they engage in. "Street", "Landscape" and colonoscopy imaging ain't the same....


If you watched Perry's video, you would see he uses the Auto ISO technique for landscape, wildlife, on tripod or handheld.

And, why in God's name was it necessary to mention colonoscopy imaging?

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Jun 11, 2018 22:38:59   #
srt101fan
 
rgrenaderphoto wrote:
If you watched Perry's video, you would see he uses the Auto ISO technique for landscape, wildlife, on tripod or handheld.

And, why in God's name was it necessary to mention colonoscopy imaging?


I was just trying to make a point. Sorry if I offended you.

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Jun 12, 2018 01:06:11   #
therwol Loc: USA
 
sinderone wrote:
I have generally kept auto ISO on and just over ridden it when called for. I am now wondering, however, if I should simply leave it off. To that end, I’m curious what others do.


I don't. I might miss some shots trying to juggle depth of field, shutter speed and ISO, but I want to know every element myself before I take the pictures. That isn't to say I always use the manual mode. I might use aperture priority if depth of field is important, either shallow or deep, pick a reasonable ISO depending on how much noise I'm willing to tolerate, and then I'll get the shutter speed in the camera viewfinder. If I feel the picture will be degraded by a too slow shutter speed, then I'll crank up the ISO. I don't like to go higher than 6400 with my Nikon D810. I actually don't like going higher than 3200 if I can help it. 1600 is the line above which noise starts becoming a factor to me, but depending on the circumstances, I might go higher.

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Jun 12, 2018 06:42:37   #
Dave45109 Loc: Michigan/Wisconsin
 
I very seldom use Auto Iso, I am usually shooting in Manual for 90% of my pictures and have full control over the results. My main subjects are birds so I have to keep my shutter speed 1000 plus.

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