I am on a quest to learn more about photography and image design. To start this journey I looked for some examples of good photography where a few different exposure elements were used.
I used a website called pixels.com to find the stock photos you see below.
The picture above is a good example of a narrow Aperture. The more narrow your aperture is, the more is in focus in your picture. The aperture is an opening to your lens that helps to let more light in or keep more light out. The smaller the opening is, the less light will come in and the greater the depth of field is. This picture shows many buildings all in focus, therefore the picture must have an f/22 aperture.
The photo above is an example of wide aperture. The wider the aperture is open, the more light will come onto the sensor and the more shallow the depth of field is. I would guess this was taken somewhere between an f/1.4 and f/2.8.
This is a photo that would have had to be taken at a fast shutter speed. The shutter speed refers to the amount of time that the sensor is exposed to the light. The number shows the time in fractions of a second. The fact that the wing of the lady bug is in focus even while it is about to take flight shows that the sensor was not exposed to very long.
This picture of the stars would have to be taken with a slow shutter. The slower the shutter is, the more light will reach the sensor. This means more light is seen so the light from the stars can be captured with the camera when you cannot see them with your own eyes.
The picture above is one of a low lit chapel. Becasue of this the photographer would have had to compensate for the low light with the computer in the camera. The ISO would boost any light that it got. This also means that the image would be “dirty” or “grainy” etc. The image isn’t perfectly sharp because of the over compensation from the computer in the camera.