ISO settings help

Peter3579

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I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
 
Last edited:
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
If you look in the control panel or on the right lower corner of your display, is ISO set to "ISO AUTO" or some specific value?

--

Sherm

Sherms flickr page

P950 album

P900 album RX10iv album
OM1.2 150-600 album
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
Make sure the Shooting Mode dial is set to "A" when you setup your ISO settings.
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
If you look in the control panel or on the right lower corner of your display, is ISO set to "ISO AUTO" or some specific value?
Set to 200. So, I'm struggling how to set it to auto?
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
Make sure the Shooting Mode dial is set to "A" when you setup your ISO settings.
Yes it was.
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
Are you using a flash by any chance?
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
Are you using a flash by any chance?
No
 
The only thing I've done which may affect iso is change the iso button to a different function.
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
Are you using a flash by any chance?
No
And you have "ISO-Auto" enabled in all modes? Default should be P/A/S/M.
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
Are you using a flash by any chance?
No
And you have "ISO-Auto" enabled in all modes? Default should be P/A/S/M.
Sorry, dumb question but you have also selected "ISO Auto" as your ISO, right?
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
Are you using a flash by any chance?
No
And you have "ISO-Auto" enabled in all modes? Default should be P/A/S/M.
Sorry, dumb question but you have also selected "ISO Auto" as your ISO, right?
An even dumber anwer - I cannot find out how to do this, despite attempting to set it in mneu 1.3.
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
If you look in the control panel or on the right lower corner of your display, is ISO set to "ISO AUTO" or some specific value?
Set to 200. So, I'm struggling how to set it to auto?
From the SCF, highlight the ISO field, tap OK. Then use either wheel or the multi-control to adjust ISO. Go one step past 12800 to get to Auto.

You should also be able to do the same using the ISO button on the top of the camera.

--

Sherm

Sherms flickr page

P950 album

P900 album RX10iv album
OM1.2 150-600 album
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
If you look in the control panel or on the right lower corner of your display, is ISO set to "ISO AUTO" or some specific value?
Set to 200. So, I'm struggling how to set it to auto?
From the SCF, highlight the ISO field, tap OK. Then use either wheel or the multi-control to adjust ISO. Go one step past 12800 to get to Auto.

You should also be able to do the same using the ISO button on the top of the camera.
This is the problem. It is set to ISO auto 12,800.

The top dial is set to A.

Pointing at a cupboard in my office aperture F2.8 shutter speed is 160.

Pointing at the same cupboard aperture F8 shutter speed (on the display) changes to 1/30?
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
Are you using a flash by any chance?
No
And you have "ISO-Auto" enabled in all modes? Default should be P/A/S/M.
Sorry, dumb question but you have also selected "ISO Auto" as your ISO, right?
An even dumber anwer - I cannot find out how to do this, despite attempting to set it in mneu 1.3.
Assuming you don't have ISO mapped to a function button, the easiest thing to do is go into the Super Control Panel (SCP) by clicking "Ok", tap on (or use the D-pad to navigate to) the ISO setting and use either the Front or Back control dial to go through the options.
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
If you look in the control panel or on the right lower corner of your display, is ISO set to "ISO AUTO" or some specific value?
Set to 200. So, I'm struggling how to set it to auto?
From the SCF, highlight the ISO field, tap OK. Then use either wheel or the multi-control to adjust ISO. Go one step past 12800 to get to Auto.

You should also be able to do the same using the ISO button on the top of the camera.
This is the problem. It is set to ISO auto 12,800.

The top dial is set to A.

Pointing at a cupboard in my office aperture F2.8 shutter speed is 160.

Pointing at the same cupboard aperture F8 shutter speed (on the display) changes to 1/30?
If it literally cannot reproduce the settings you want without underexposing, it will dip into lower shutter speeds so you don't start losing shots due to them being too dark.
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
If you look in the control panel or on the right lower corner of your display, is ISO set to "ISO AUTO" or some specific value?
Set to 200. So, I'm struggling how to set it to auto?
From the SCF, highlight the ISO field, tap OK. Then use either wheel or the multi-control to adjust ISO. Go one step past 12800 to get to Auto.

You should also be able to do the same using the ISO button on the top of the camera.
This is the problem. It is set to ISO auto 12,800.

The top dial is set to A.

Pointing at a cupboard in my office aperture F2.8 shutter speed is 160.

Pointing at the same cupboard aperture F8 shutter speed (on the display) changes to 1/30?
Works fine for me here. Go back to the lowest shutter speed setting on your menu and make sure it's still set to 1/160. If it's not, change it and be sure you tap a final OK so you see it in the menu.

--

Sherm

Sherms flickr page

P950 album

P900 album RX10iv album
OM1.2 150-600 album
 
I've done that Sam and the above is the result.

It says ISO auto but somthing is stopping it working.
 
I've done that Sam and the above is the result.

It says ISO auto but somthing is stopping it working.
See my comment in the other thread above. You're outside of the shooting envelope.
 
I'm struggling with the ISO/shutter speed settings on my newly acquired OM-1 ii.

Using Nikon for many years, I set aperture priority with a minimum shutter speed of (say 250) and set auto iso. Works fine. Shutter speed never drops below 250 and ISO floats as necessary.

On the OM-1 I've set ISO-A upper/Default to 12800/200.

ISO-A lowest to to 1/160.

But in A priority the ISO sticks at 200 and the shutter speed goes well below 1/160, depending on the light.

Help appreciated please.
If you look in the control panel or on the right lower corner of your display, is ISO set to "ISO AUTO" or some specific value?
Set to 200. So, I'm struggling how to set it to auto?
From the SCF, highlight the ISO field, tap OK. Then use either wheel or the multi-control to adjust ISO. Go one step past 12800 to get to Auto.

You should also be able to do the same using the ISO button on the top of the camera.
This is the problem. It is set to ISO auto 12,800.

The top dial is set to A.

Pointing at a cupboard in my office aperture F2.8 shutter speed is 160.

Pointing at the same cupboard aperture F8 shutter speed (on the display) changes to 1/30?
If it literally cannot reproduce the settings you want without underexposing, it will dip into lower shutter speeds so you don't start losing shots due to them being too dark.
Agree. If you half-press and you see ISO 12800 then at that point the ISO is maximized and shutter speed will slow.

--

Sherm

Sherms flickr page

P950 album

P900 album RX10iv album
OM1.2 150-600 album
 

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