Ultimate Guide to Camera Aperture — What is Aperture & the Exposure Triangle Explained [Ep 1]

What is aperture? An aperture is what determines how much light passes through a camera’s lens. In photography and filmmaking, lens aperture is more than just an anonymous mechanism inside a lens. The aperture setting is the principal element used to manipulate depth of field, focal length, bokeh, and more. Lens aperture, along with ISO and shutter speed, is also part of the exposure triangle, which dictates the exposure of the final image. In other words, the aperture isn’t just necessary to capture images, it has a direct effect on the look and feel of those images. This is aperture explained, Part 1 of StudioBinder’s series on the exposure triangle.


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