To ensure a subject's face is perfectly exposed in a high-contrast scene, even if the surrounding area is very bright or dark, which advanced metering mode would be most effective in a manual camera app?

The most effective advanced metering mode to ensure a subject's face is perfectly exposed in a high-contrast scene, even if the surrounding area is very bright or dark, is Spot Metering. Spot metering is a camera function that measures the light from a very small, specific area within the frame, typically representing 1% to 5% of the total image area. Unlike other metering modes that average light across larger portions of the scene, spot metering provides a highly localized light reading. A high-contrast scene contains both extremely bright areas ....