Each DSLR camera has its own mechanism in terms of exposure metering and how to lock it. For example, in the Nikon DSLR cameras: when we pressed the shutter button halfway and hold it there and then we do a reframe (shift or move the camera angle pemotretaan), the camera will automatically re metering resulting in different exposure values. In other words, do not lock the Nikon DSLR camera exposure value automatically.
Canon DSLR camera also works in the same way as above when we use Partial Metering, Center-weight or Spot. So Canon DSLR camera also does not automatically lock the exposure value. Except when using evaluative metering which Canon DSLR cameras will lock the exposure when we pressed the shutter button halfway and will not change when we do the reframing.
Well this article will explain how to lock the exposure value by using AE-Lock button there on camera.
DSLR cameras from other brands work the other way again, but it is quite easy for us to recognize the workings of the camera to perform metering with the following test:
1.Point the camera towards a bright object image
2.Then push the shutter button halfway so the camera do the metering, record the value of F (aperture) and S (shutter speed) that appears in the viewfinder or LCD screen.
3.Without removing the push on the shutter button, point the camera to the object that was quite dark (reframing)
If the value of F and S do not change when you make a reframing so now you know that the camera is a camera you can lock the exposure value when you reframing.
Almost all DSLR cameras have a special key (usually given the label AE Lock) to help us lock the exposure, so the exposure value will not change when you move the frame.
How do I use the AEL-Lock button to lock the exposure? the following way:
1.Know the position of AE-Lock button, usually on the back of your camera, then put your thumb there, but do not be pressed first.
2.While peek viewfinder, put the focal point on the object to be photographed, for example, face your friends, then push the shutter button halfway.
3.Now with your thumb, push the AE-L button to lock exposure measurement results. There will be AEL indicator appears in the viewfinder.
4.Without removing the thumb pressure on the AEL button, re-shooting the composition, and then snap the shutter button.
AE-Lock button is useful when we take images of objects that are not located in the middle of the frame, or when we are photographing panoramas that consistent exposure value from one photo to another so it will be good when stitched into a panorama.
Canon DSLR camera also works in the same way as above when we use Partial Metering, Center-weight or Spot. So Canon DSLR camera also does not automatically lock the exposure value. Except when using evaluative metering which Canon DSLR cameras will lock the exposure when we pressed the shutter button halfway and will not change when we do the reframing.
Well this article will explain how to lock the exposure value by using AE-Lock button there on camera.
DSLR cameras from other brands work the other way again, but it is quite easy for us to recognize the workings of the camera to perform metering with the following test:
1.Point the camera towards a bright object image
2.Then push the shutter button halfway so the camera do the metering, record the value of F (aperture) and S (shutter speed) that appears in the viewfinder or LCD screen.
3.Without removing the push on the shutter button, point the camera to the object that was quite dark (reframing)
If the value of F and S do not change when you make a reframing so now you know that the camera is a camera you can lock the exposure value when you reframing.
Almost all DSLR cameras have a special key (usually given the label AE Lock) to help us lock the exposure, so the exposure value will not change when you move the frame.
How do I use the AEL-Lock button to lock the exposure? the following way:
1.Know the position of AE-Lock button, usually on the back of your camera, then put your thumb there, but do not be pressed first.
2.While peek viewfinder, put the focal point on the object to be photographed, for example, face your friends, then push the shutter button halfway.
3.Now with your thumb, push the AE-L button to lock exposure measurement results. There will be AEL indicator appears in the viewfinder.
4.Without removing the thumb pressure on the AEL button, re-shooting the composition, and then snap the shutter button.
AE-Lock button is useful when we take images of objects that are not located in the middle of the frame, or when we are photographing panoramas that consistent exposure value from one photo to another so it will be good when stitched into a panorama.
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