Understanding Aperture in photography is understanding one of the fundamentals of how your camera works. It’s one of the three important points of the exposure triangle (along with shutter speed and ISO). By understanding Aperture, you’ll be well on your way to shooting perfect exposures and having maximum creative control over your images.

You don’t have to understand Aperture to take great photos. However, if you want to increase your chances of taking great images every time you head out with your camera, it certainly helps. The aperture is the hole in your lens that opens and closes to let light into the camera. It has a significant effect on both exposure and depth of field (DOF) in the image. However, it can be a little confusing at first and can often seem counterintuitive, particularly for new photographers.

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