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Iso Vs Exposure Compensation


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#21 JestePhotography

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Posted 23 January 2016 - 06:38 PM

I shoot manual mode auto ISO. I want to choose my shutter speed and my DOF. I DO use EV. In manual mode it actually is a blended function with auto ISO. It WILL raise or lower ISO but it ALSO will take your camera out of middle grey and make your snow look white.
Win win.

#22 Roderick

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Posted 24 January 2016 - 11:00 AM

Thanks Steve.

I'm going to try that

Rod



#23 RAH1861

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Posted 24 January 2016 - 01:43 PM

I shoot manual mode auto ISO. I want to choose my shutter speed and my DOF. I DO use EV. In manual mode it actually is a blended function with auto ISO. It WILL raise or lower ISO but it ALSO will take your camera out of middle grey and make your snow look white.
Win win.

Well sure, Manual mode plus auto ISO is an auto mode. So, as I've been saying, EV in ANY auto mode WILL override the exposure your camera has set for you. In this case, boosting the EV will accomplish this by raising the ISO (without any complementary reduction of shutter speed or aperture which would keep the same exposure). So you are over-exposed (by the camera's estimation) and get white snow by boosting the EV.


Rich


#24 JestePhotography

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Posted 24 January 2016 - 03:16 PM

Yup when i'm shooting wildlife/action it is more important to get a sharp well exposed shot. I control the 2 mosssst important things. DOF being the most important for isolating the subject and shutter speed to freeze the action. I only worry about keeping ISO lower than 3200 if light is good. If it's at sunrise/set my auto ISO is set to 25600. I rarely push it thatttttt high but it is why I bought a D4S so I would not be a slave to ISO considerations.
I'm out the shooting a good half hour after the "competition" has packed it in. (Also coincidentally when MOST wildlife get busy)
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#25 Armitage

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Posted 24 January 2016 - 03:19 PM

 

Here's a great video on shooting in Manual Mode with Auto ISO. Even if you don't continue shooting this way, it's very educational and you really see how the camera works.



#26 JestePhotography

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Posted 24 January 2016 - 09:00 PM

Yup I said exactly what he did. That's pretty much how I shoot.

#27 Doug S

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Posted 25 January 2016 - 01:25 AM

That technique is pretty handy, gonna start trying that out myself.



#28 geedee

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Posted 25 January 2016 - 05:51 AM

JEEZ...!!!  If only you had posted that VID at the start Armitage, it would have saved me a lot of head scratching...(-: However given how much thought I put into the processes there is a better chance of some of it sticking in my brain longer than it would if I had just been told.... Seems a few folk might have learned something worth while in this thread...(-: 






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