EXPOSURE TRIANGLE is a foundational concept in photography that explains how three key settings work together to control the brightness (exposure) of an image ISO in photography refers to your camera sensor’s sensitivity to light. It’s one of the three key settings in the exposure triangle, alongside aperture and shutter speed. LOW ISO in photography refers to a setting where your camera sensor is less sensitive to light — typically values like ISO 100 or 200. APERTURE f2.8 SHUTTER SPEED 1/1000 ISO 64 78.0mm Wed,oct,15 ,2025 12:52 HIGH ISO in photography means your camera sensor is more sensitive to light, typically values like ISO 1600, 3200, 6400, or even higher. CAMERA SONNY APERTURE f7.1 SHUTTER SPEED 1/640 ...