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Wk 2 - Aperture Priority (AV)


Week 2

Aperture controls the area over which light can enter your camera.

More light f/1.4 = Shallow Depth of Field (narrow)
Less light  f/22  = Greater Depth of Field (wide)
(The Depth of field is the area of the image that is in focus)

Our task in class was to take a photograph with three elements: one in the foreground close to the camera, one in the middle ground and one in the background.  Focus on the element in the foreground.  Shoot this scene with the lowest aperture your lens will allow, then F/8 and then F/22.


I chose the tripod to be in the foreground, the model to be in the middle ground and the trees to be in the background
Aperture: f/1.8, Shutter speed:1/2500, ISO: 100
As you can see in this photo the tripod is in focus, while the middle and background is out of focus - This is what is known as a shallow or narrow depth of field.

Aperture: f/8.0, Shutter speed: 1/125, ISO: 100
At this setting the depth of field stretch out towards the subject. If the subject was closer to the tripod you would be able to see her more clearer.  Although she is some distances from the trees in the background her features are a bit blurred.  I'll post up another example to illustrate this.

Aperture: f/22, Shutter speed: 1/120, ISO: 100
At this setting all the elements are clearer.  The middle and background is sharper and you can see the details are more clearer.

These photos are examples of fore, mid and background -
f/5.6, 1/50, ISO 100
 This photo was taken with a narrow depth of field - the minion in the foreground is the subject who is in focus and the two in the mid and background are blurred
f/22, 1/13, ISO 100
This was taken with a wide depth of field.  Everything in the picture is clear.




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