: Controls the amount of light and depth of field (blurring the background).
While there isn't one single "101.jpg" file that serves as a universal guide, several highly rated "101" guides and resources exist across photography, design, and general lifestyle topics. Based on common "101" search trends, here are the most useful visual and procedural guides: 101.jpg
The most famous "101" visual guide often refers to the , which explains the relationship between aperture, shutter speed, and ISO. : Controls the amount of light and depth
: Controls the camera's sensitivity to light (higher ISO for dark rooms, lower for sunny days). which explains the relationship between aperture
