You can press the Depth of Field Preview button, which will close the aperture to match your current setting. This allows you to see how the depth of field changes, but importantly you'll also be able to see how much light is coming into the camera.
I think this is a really useful tip, so have a go at the following to help understand why it is useful.
(1) Set the camera to manual mode (M on the function wheel on the top of the camera).
(2) Adjust the f-stop value to the smallest value possible. You can do this by holding the "Av" button on the back of the camera and then using the scrolling wheel on the top of the camera.
(3) Look through the viewfinder. Whilst doing so, hold down the Depth of Field (DoF) Preview button, located on the front of the camera just below the lens release button (see the picture above). You'll note that nothing really happens. This is because the camera by default leaves the aperture fully open and you've selected the smallest f-stop value, which gives you the fully open aperture.
(4) Now look at what happens when you adjust the f-stop to a much bigger value and while looking through the viewfinder hold the DoF Preview button again. This time you'll hear the aperture adjust to your selected setting and you'll see the picture get darker.
No comments:
Post a Comment