In this blog post, I would like to share some insights with you regarding the connection between aperture and the inverse-square law of light, as well as their effects on light fall-off.
Let me ease you into this topic by explaining the aperture first.
Aperture Stops (f-Stops)Switching from the maximum aperture to the next smaller one reduces the incident amount of light that enters your lens. In addition, the aperture diameter is lowered by a factor of... more