Traditional Culture Encyclopedia - Photography and portraiture - What is the key area of Nikon D90?

What is the key area of Nikon D90?

This is a metering mode.

Global average photometry with focus at the center

This is a convenient photometric method for portrait shooting.

Of course, it still depends on people's daily use.

6 mm, 8 6mm 8mm 10mm is the range of central focus.

That is, the circle with a radius of several millimeters in the center of the viewfinder is taken as the key metering area.