Dual Gain ISO Explained: Why Your Base ISO Isn't One Number

If you're not manually selecting your camera's native ISO when it matters — say, shooting a reception in mixed light or pulling shadow detail in a landscape — you may be leaving real dynamic range on the table. Dual gain sensors have two sweet spots, not one, and the gap between them isn't marketing fluff: it's measurable noise performance that affects every high-contrast scene you shoot.