V1.02
Thom Hogan’s Complete Guide to the Nikon D300
Page 255
mode if Continuous Servo autofocus is also selected. If the
camera detects that the subject has moved to one of the
adjacent sensors (you can choose whether that’s 9, 21, or 51
sensors for the focus to move to) it moves the autofocus
sensor being used and spot metering follows!
This is a bit less confusing than some previous Nikon DSLRs.
Essentially, there are three possibilities with spot metering on
the D300:
•
Camera uses the autofocus sensor you select to spot meter
with.
This is the case with Single Point autofocus and with
Dynamic Area autofocus if Single Servo autofocus is
selected. Note also that this is the case for Manual focus,
as well.
•
Camera may move the spot metering point (and focus)
from the initial autofocus sensor you select.
This only
happens when both Dynamic Area autofocus
and
Continuous Servo autofocus are selected.
•
Camera picks both the autofocus and spot metering point.
Auto Area autofocus does all the heavy lifting for both the
spot metering and autofocus decisions. Basically, spot
metering occurs where the camera focuses.
Spot Meter Point
Focus Settings
Spot Metering occurs at
Manual focus
User-selected focus sensor
Single Point AF (any Servo)
User-selected focus sensor
Dynamic Area AF (Single Servo) User-selected focus sensor
Dynamic Area AF (Cont. Servo) Focus point selected by camera
Auto Area AF (any Servo)
Focus point selected by camera
AI or AI-S Lens Used
User-selected focus sensor