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Exposure in Manual mode?
May 31, 2014 19:17:40   #
DanH Loc: Erie, PA
 
Is it just me or can you not adjust the exposure in Manual? I could have swore I was able to do it before. Maybe I couldn't? Maybe I changed something in the settings?

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May 31, 2014 19:24:32   #
dannac Loc: 60 miles SW of New Orleans
 
Yes you can.

On my Nikon, the command dial adjust the shutter speed.
Hold down a certain button and the command dial adjust the aperture.
Hold down another button and the command dial adjust the ISO.

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May 31, 2014 19:32:41   #
amehta Loc: Boston
 
DanH wrote:
Is it just me or can you not adjust the exposure in Manual? I could have swore I was able to do it before. Maybe I couldn't? Maybe I changed something in the settings?

The whole point of manual exposure mode is that you are supposed to adjust the aperture (f-stop) and shutter speed. What camera do you have?

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May 31, 2014 19:39:13   #
DanH Loc: Erie, PA
 
I have a Canon T3i
amehta wrote:
The whole point of manual exposure mode is that you are supposed to adjust the aperture (f-stop) and shutter speed. What camera do you have?

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May 31, 2014 20:00:05   #
amehta Loc: Boston
 
DanH wrote:
I have a Canon T3i

I don't know the specifics of the T3i interface, but in M mode, at least one of the aperture or shutter speed would be changed using the dial next to the shutter release.

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May 31, 2014 21:18:10   #
WhiteEagle Loc: Waycross, GA
 
I have the T3i also and to make changes:
Iso is changed by pressing the button (ISO) and turning the dial next to it.
Shutter speed is changed by simply turning the dial by the (iso) button
Aperture is changed by pressing and holding the (AV) button and turning the dial by the (iso) button.

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May 31, 2014 21:46:44   #
anotherview Loc: California
 
On your Canon T3i, you can adjust all the exposure settings when in Manual Mode: Aperture, Shutter Speed, and ISO (but not Exposure Compensation).

In Manual Mode, you can also set ISO to Auto. Then ISO values will adjust automatically for proper exposure given the settings of the other two. Note that in Auto ISO mode, the ISO values will adjust in fractional stops.

When shooting landscape, I sometimes set the Aperture and ISO to the values I want. Then I let Shutter Speed adjust automatically.

I find when the light remains the same for a given scene or subject, then I can lock in settings in Manual Mode and consistently achieve proper exposure.

Shooting in full or partial Manual Mode will give you more control over exposure.

DanH wrote:
Is it just me or can you not adjust the exposure in Manual? I could have swore I was able to do it before. Maybe I couldn't? Maybe I changed something in the settings?

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May 31, 2014 21:56:14   #
anotherview Loc: California
 
anotherview wrote:
On your Canon T3i, you can adjust all the exposure settings when in Manual Mode: Aperture, Shutter Speed, and ISO (but not Exposure Compensation).

In Manual Mode, you can also set ISO to Auto. Then ISO values will adjust automatically for proper exposure given the settings of the other two. Note that in Auto ISO mode, the ISO values will adjust in fractional stops.

When shooting landscape, I sometimes set the Aperture and ISO to the values I want. Then I let SS adjust automatically. With Image Stabilization, the SS can go pretty low, even to 1/8 or 1/10 sec, while still giving a sharp image. But at a low SS, I will take insurance shots just in case.

The new filter in Photoshop Creative Cloud, Camera Shake Reduction, compensates for slight motion of the camera which blurs an image, and can restore the image sharpness to match the lens optics. In practice, I have found that mirror slap generates a vibration that induces a slight blur from it. CSR can eliminate this blur most of the time.

I find when the light remains the same for a given scene or subject, then I can lock in settings in Manual Mode and consistently achieve proper exposure.

Shooting in full or partial Manual Mode will give you more control over exposure.
On your Canon T3i, you can adjust all the exposure... (show quote)

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Jun 1, 2014 08:59:59   #
Linda From Maine Loc: Yakima, Washington
 
Here is a link to the user's guide, though hopefully you have one that came with the camera; it's a very handy little book :)

http://gdlp01.c-wss.com/gds/0/0300004720/02/eosrt3i-eos600d-im2-c-en.pdf

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Jun 1, 2014 09:15:46   #
PhotosBySteve
 
DanH wrote:
Is it just me or can you not adjust the exposure in Manual? I could have swore I was able to do it before. Maybe I couldn't? Maybe I changed something in the settings?


I would guess, the ISO is probably set to Auto, which will try to maintain an optimum shutter speed.

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Jun 1, 2014 12:04:05   #
rmalarz Loc: Tempe, Arizona
 
DanH wrote:
Is it just me or can you not adjust the exposure in Manual? I could have swore I was able to do it before. Maybe I couldn't? Maybe I changed something in the settings?


Dan,
Without mentioning what camera make and model you have, it's difficult to answer, other than a generalization. If you have a setting that allows you to use the camera in manual mode, then ISO, Aperture, and Shutter speed are capable of being set.
--Bob

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Jun 1, 2014 15:45:45   #
jeep_daddy Loc: Prescott AZ
 
DanH wrote:
Is it just me or can you not adjust the exposure in Manual? I could have swore I was able to do it before. Maybe I couldn't? Maybe I changed something in the settings?


You can't use exposure compensation, instead stop down, open up, or increase/decrease shutter duration for exposure adjustments.

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Jun 1, 2014 19:28:59   #
WhiteEagle Loc: Waycross, GA
 
rmalarz wrote:
Dan,
Without mentioning what camera make and model you have, it's difficult to answer, other than a generalization. If you have a setting that allows you to use the camera in manual mode, then ISO, Aperture, and Shutter speed are capable of being set.
--Bob


He did list his camera in a latter post read all before commenting

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Jun 2, 2014 01:49:05   #
Shoeless_Photographer Loc: Lexington
 
If the T3i is similar to the T3, you can go into the Quick menu and adjust the exposure compensation if that's what you're wanting to do. In Manual mode unlike Tv or Av, you can only adjust it to bracket. When you take a picture, it will let you take the next two with the below and above settings. Same thing can be set up from the menu. Hope that helps.

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