Lets talk about some physics first. Why we see things in light? Because, when light-rays falls on a subject, that particular subject start reflecting that light. Like the moon does, so we see the moon. Our eyes are excellent cameras. They catches those light reflections and out brain process them.
So, you can now clearly see that, Aperture refers to mechanical Iris of a lens. Literally the size of the aperture opening controls the amount of the light which enters into the camera.
Wide aperture:
Hope these make sense now, if you are following and still need some help, leave a comment with your mail address. Ciao
In a same way, A DSLR catches all the reflections that all the things present in a frame. And then camera processor, precess them. While watching, a camera can widen or narrow their eyes. And just to let you know, Aperture is the pupil of a camera and lens are eyes. So Aperture is not a DSLR body feature, its a lens feature. You might notice on lenses, it says on the lens body ƒ3.5 -5.6 or ƒ2.8 and more. These are actually, the highest apertures those lenses can record up to. Before you get confused, let me give one more precious information, The aperture number on DSLR is counter-intuitively related to the width of the aperture.
So, you can now clearly see that, Aperture refers to mechanical Iris of a lens. Literally the size of the aperture opening controls the amount of the light which enters into the camera.
Narrow aperture:
Wide aperture:
Hope these make sense now, if you are following and still need some help, leave a comment with your mail address. Ciao
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