For portraits, matrix metering (also called evaluative or multi-segment metering) is a reliable default in even light, while spot metering is better when the light is contrasty or the background is much brighter or darker than your subject. Spot metering lets you base exposure on the face alone.
How Each Mode Works
Matrix metering reads many zones across the frame and compares them with patterns the camera has stored to estimate a good overall exposure. Spot metering reads only a small circle, often a few percent of the frame, at the focus point or the center. That makes it precise but also more demanding.
Key Differences
| Trait | Matrix metering | Spot metering |
|---|---|---|
| Area read | Whole frame | Small area |
| Best light | Even or moderate contrast | Backlight, harsh sun, dark backdrops |
| Effort needed | Low | Higher |
| Risk | Face can be misjudged against bright backgrounds | Wrong metering point gives wrong exposure |
How to Use Spot Metering for Portraits
- Set the metering mode to spot and link it to the focus point if your camera allows.
- Place the spot on a cheek or forehead in the lit part of the face.
- Check the result. Skin tones usually need a small boost, so try exposure compensation of about plus one third to plus one stop for lighter skin, and less or none for darker skin.
- Look at the histogram and highlights warning, and adjust for the look you want.
- Lock exposure if you plan to recompose.
These numbers are rough guidance, since every camera and scene is a little different.
When to Stay with Matrix
- Fast events where you do not want to think about the metering point.
- Soft, even light in shade or on cloudy days.
- Group shots where many faces are spread across the frame.
Matrix metering also works well with face detection on modern cameras, which can bias exposure toward faces automatically. If your camera has a face-priority option, try it before switching to spot.
Practice makes spot metering quicker. Photograph the same person in a shaded spot, then in a bright spot with a dark background, and compare the files in both modes. You will soon see where matrix metering holds up and where it drifts. Also keep an eye on highlights on the forehead and nose, which can clip quickly in sun. Shooting raw gives you extra room to recover, though a correct exposure at capture is still the best foundation for natural skin tones.
FAQ
Which is better for backlit portraits?
Spot metering on the face keeps the subject properly exposed, though the background may turn bright. Add fill light or a reflector to balance it.
Should I use center-weighted instead?
It is a good middle option, reading a larger central area than spot, and some portrait shooters prefer it.
The Short Version
Use matrix for speed and even light, and spot when contrast is high or the background fools the camera. Check the histogram and adjust with exposure compensation.
