andrew00
Established
Hey,
So super smart and tech I am not, so I was hoping someone could please just explain Exposure Comp to me please.
I get what it does - you use it to brighten or darken the exposure by a little bit more than the camera's metering. I get that. But what I don't understand is how it works practically.
I mean - if I set the Aperture and ISO I want on my X100 and set the shutter speed to A, then the camera's is selecting the shutter only. Then I can dial in some Exposure Comp to tweak the image, make it a touch brighter/darker, and the camera adjusts the shutter speed accordingly to achieve the image with the luminance I want. Got that, roger.
But if I then go fully manual and select the shutter speed I want, the Exposure Comp wheel doesn't do anything, and in fact the Exposure Comp bar in the OVF changes as I change the shutter.
So what I think is going on is this - Exposure Comp is a tweak of automatic metering settings, it's not a tweak of manual controls. Basically it's a bit of a tweak to what the camera is thinking, feedback to the automatic metering.
Therefore when I am viewing Expo Comp in Ap Priority mode (aka Shutter to A) the changes I make are affecting the image because I'm tweaking the metering - telling the camera to take a picture a bit brighter or darker than it's suggesting, hence why the shutter changes accordingly because that's the value the camera has control over.
When I view the Expo Comp is fully manual mode the Expo Comp bar is the reverse - it's the camera telling me what to change. So if it's got a bar of -1 then it's telling me my image is a stop too dark and I need to increase ap/shutter to take an image of balanced exposure. So it's feedback to me.
Is this what's happening or am I missing it? I know it's a bit of a dumb question but I want to get it right!
So super smart and tech I am not, so I was hoping someone could please just explain Exposure Comp to me please.
I get what it does - you use it to brighten or darken the exposure by a little bit more than the camera's metering. I get that. But what I don't understand is how it works practically.
I mean - if I set the Aperture and ISO I want on my X100 and set the shutter speed to A, then the camera's is selecting the shutter only. Then I can dial in some Exposure Comp to tweak the image, make it a touch brighter/darker, and the camera adjusts the shutter speed accordingly to achieve the image with the luminance I want. Got that, roger.
But if I then go fully manual and select the shutter speed I want, the Exposure Comp wheel doesn't do anything, and in fact the Exposure Comp bar in the OVF changes as I change the shutter.
So what I think is going on is this - Exposure Comp is a tweak of automatic metering settings, it's not a tweak of manual controls. Basically it's a bit of a tweak to what the camera is thinking, feedback to the automatic metering.
Therefore when I am viewing Expo Comp in Ap Priority mode (aka Shutter to A) the changes I make are affecting the image because I'm tweaking the metering - telling the camera to take a picture a bit brighter or darker than it's suggesting, hence why the shutter changes accordingly because that's the value the camera has control over.
When I view the Expo Comp is fully manual mode the Expo Comp bar is the reverse - it's the camera telling me what to change. So if it's got a bar of -1 then it's telling me my image is a stop too dark and I need to increase ap/shutter to take an image of balanced exposure. So it's feedback to me.
Is this what's happening or am I missing it? I know it's a bit of a dumb question but I want to get it right!
