F2,F16

F2.

F16.

1. The eye.

2.The smaller the Aperture number, the higher the Aperture focus.

3. Aperture helps the picture look really sharp all around, or look sharp only in one specific place. 

High Shutter Speed.

 Slow Shutter Speed.

1. At the beginning while the sun is still partially up and the courtyard has reasonable light
a) very fast
b) moderate
c) moderate
d) slow
e) slow
f) very fast

Towards the end when there is no sun and has gotten dark enough that you can't see from one end of the courtyard to the other;
a) very fast
b) moderate
c) moderate
d) slow
e) slow
f) very fast

2. 

• “Aperture Priority”: Setting the lens aperture manually while the camera a sets the shutter speed.
• “Shutter Priority”: Setting the shutter speed manually, while the camera selects the aperture. 
• “Manual” Setting both shutter speed & aperture manually.