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Learn By Doing Photography

Assignment #5 – Changing your Aperture

To find your correct exposure you need to account for three different elements. ISO, shutter speed and aperture.

Today I want to play with our aperture setting.

First off the aperture is the size of the opening in the lens. The larger the hole the more light comes in so if you have a lower f stop like f/1.8 more light will come in.  A smaller aperture will have a larger number like f/22 which will let in less light, but give you more depth of field.

The best way to understand this is to practice! This weeks assignment is going to show how creative an aperture can make a picture:

1. Set up your tripod

2. Turn camera to aperture priority

3. Focus on subject a third of the way in the picture.

4. Start with your aperture on the lowest number your lens has and take a picture

5. Change your aperture at least 4 times Рexample  5.6 , 8, 11, 16 and 22

Don’t move your focus, don’t move your camera just change the aperture.

What happens? I know what will happen, but I still have to understand why! Besides doing the assignment this week I am going to research this week why this happens.

 

 

Related posts:

Learn by Doing - Bokeh at Christmas
Assignment #6 - How does Focal length work with DOF
Learn By Doing - Bring on the Light (results)

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