How to lock exposure ?

RichW

RichW

Active member
This is from the Canon website, regarding the 7D:

"Exposure Control during automatic video shooting: One issue video shooters encounter with auto exposure is that if the camera is panned to follow a subject, or if it moves from a light-colored subject to a darker one (or vice-versa), the overall exposure in the scene often changes. With the EOS 7D, this is easy to prevent, using the AE Lock feature. The rear button with the asterisk icon can be pressed either before or during shooting, and exposure locked in-place at that moment. An asterisk appears in the information strip below the scene on the LCD monitor, reminding you that exposure is indeed locked. To unlock it, don’t press the AE Lock button again. Press the AF point select button immediately to the right, and the asterisk icon will disappear."

Has anybody been able to do this? It doesn't seem to work on my camera.
 
Switch your camera to "M" mode to control ISO, shutter and aperture with full manual control, you don't even need to look at the exposure lock tricks.
 
It isn't that black and white in the real world. Auto features might come in handy in some situations and desiring to know how to lock exposure should not invoke admonitions that imply ignorance of the 7D's manual controls.
 
I just tried it, and I could get it to lock with the asterisk but I could not get it to unlock... It just defaults to the 5x and 10x zoom.
 
Do you get this?

"...An asterisk appears in the information strip below the scene on the LCD monitor"

On mine, in movie mode, there is no information strip on the LCD.

???
 
Okay, yes, i can find the video strip.
But I get no asterisk when i try the action.
 
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