Exposure Compensation

9 years 2 months ago #198244 by Pud
Can the exposure compensation only be adjusted in AV mode? I shoot with a Canon XSI and it seems like I can't adjust this in M mode.


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9 years 2 months ago #198246 by Bubbles
Exposure compensation works off the meter reading. It's adjusts the exposure + or - from the settings recommended by the meter.

In manual mode, the meter does not affect the exposure settings...therefore, exposure compensation is not possible.

In other words, it works in every mode except manual. When you are in manual, you can simply adjust the shutter speed, aperture or ISO and it will have the same effect as using exposure compensation


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9 years 2 months ago #198248 by Pud

Bubbles wrote: Exposure compensation works off the meter reading. It's adjusts the exposure + or - from the settings recommended by the meter.

In manual mode, the meter does not affect the exposure settings...therefore, exposure compensation is not possible.

In other words, it works in every mode except manual. When you are in manual, you can simply adjust the shutter speed, aperture or ISO and it will have the same effect as using exposure compensation


That makes sense. Thank you


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9 years 2 months ago #198250 by Long Street
A quick technical breakdown of how this works:

-In aperture priority mode, EC with either increase or decrease shutter speed based on your setting

-In shutter priority mode, EC will increase or decrease aperture size based on your setting

-In manual mode, you set aperture and shutter manually but in this case you can chose if you want to compensate with more/less aperture or more/less shutter speed.


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9 years 2 months ago #202444 by Vikas Kahol


In Manual mode, you can see Electronic Analogue Exposure indicator either in viewfinder or top or back LCD display.

This works as a reference to EV. As you change aperture or shutter speed, the indicator moves towards "--" or "+" from "0" (in the middle). Changing exposure value actually changes the shutter speed in Av Mode to achieve the desired exposure displayed by the indicator. In manual mode, process reverses. When you move speed or aperture, you can read the value on the + or -- side on the indicator for a reference. One stop towards + means +0.3 and so on.

Cheers!

Vikas Kahol
Attachments:

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9 years 2 months ago #202500 by JM 0 DER
:agree: Thanks for posting the image Vikas, it's a good reference. Sometimes we need to see images to understand it better. :goodpost:


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