A Beginner’s Guide to Aperture

The aperture in a camera lens can be likened to the iris in the eyes. Under dim light, the irises in our eyes enlarge to accommodate more light. They also contract to limit the amount of light entering the eyes under bright light. The f/stop or aperture in a lens performs a similar function as the iris. The aperture does more than just control exposure; it can be used to enhance your creativity. It helps to provide sharper images and to take out a background from the point of focus. Aperture and the amount of light An aperture is synonymous with the amount of light. It may cut the amount of light that strikes the sensor by half or double the amount. They can either add light (open up) or reduce light (close up). Maximum f/stop and lens speed An aperture is described as a maximum f/stop

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