Autumn Theodore Photography

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    • Brand Photography
    • Portrait Photography
    • Product Photography
    • Event Photography
  • BLOGS
    • Processed
    • Focus Friday
  • ABOUT
  • CONTACT

Focus Friday

BLOG + VLOG of AUTUMN THEODORE PHOTOGRAPHY

Photography 101: the exposure triangle

9/8/2017

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Do you own a DSLR camera? Congrats, that's a huge step toward taking better photos!

​I know it can be overwhelming to learn how to utilize manual controls, but I promise it will make your purchase even more worth it. It all starts with the exposure triangle.

The exposure triangle explains the relationship of the three parts of creating an image: shutter speed, aperture, and ISO. All you need to understand is what they do and how to balance them. (Yep, that's it!)
Autumn Theodore Photography
SHUTTER SPEED
Adjusting the shutter speed means changing how long your shutter stays open (aka how long the camera sensor is exposed to light). If you set your shutter speed to 1/60, the image will be brighter than if you set your shutter speed to 1/2000. In addition to bright vs. dark, shutter speed also has a lot to do with stopping (or not stopping!) motion. The longer the shutter stays open, the more motion is captured. With the same two examples, let's say your shutter is set to 1/60 at a sporting event. You might see too much blur as the athletes move quickly. But setting it to 1/2000 might be good enough to "stop" the action.

APERTURE
Changing the aperture means you are making the lens opening wider or narrower. A wider aperture (lower f-number) means more light as well as a narrower depth of field, while a narrower aperture (higher f-number) means less light as well as a wider depth of field. (Depth of field is the distance of focus in an image. Wide depth of field means lots of parts of the image are in focus. Narrow depth of field means only one part of the image is in focus while the rest are blurry.) 

ISO
Increasing ISO allows you to work with less light. BUT! This is not a magic button to make the darkness in every low-light situation you are in go away. As you increase ISO, the image gets brighter, but quality gets lower. You will start to notice graininess in your images the higher you go.

Homework:
  • Set your camera to M (manual) mode and start practicing
  • Purchasing a 50mm lens will change everything - here's why
  • Attend a photography workshop or private lesson to learn more

Happy Friday, and happy shooting!
Autumn
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