Nikon D50 User Manual

Page 107

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97

Setup

Custom Settings

1

Rotate the mode dial to P, S, or A and select center-weight ed or spot

metering (exposure lock has no effect in mode M).

2

Position the sub ject in the selected focus area

and press the shutter-release button halfway
(when using center-weighted metering, po-
sition the subject in the center focus area).
With the shut

ter-release button pressed

halfway and the subject still po

si tioned in

the fo

cus area, press the AE-L/AF-L button

to lock exposure. Confi rm that the in-focus
in di ca tor (

●) appears in the viewfi nder.

While ex po sure lock is in effect, an EL in di -
ca tor will ap pear in the viewfi nder.

3

Without releasing the AE-L/AF-L but ton, re-

com pose the pho to graph and shoot.

Adjusting Shutter Speed and Aperture

While exposure lock is in effect, the following settings can be changed without alter-
ing the metered value for exposure:

Mode

Description

P

Shutter speed and aperture (fl exible program; 42)

S

Shutter speed

A

Aperture

Advanced Settings

14: AE-L/AF-L controls the function performed by the AE-L/AF-L button (

98).

15: AE Lock controls whether exposure locks when the shutter-release button is

pressed halfway (

99).

Autoexposure Lock
If the subject is not in the metered area when center-weighted or spot
metering is used, exposure will be based on lighting conditions in the back-
ground, and the main subject may not be correctly exposed. This can be
prevented using autoexposure lock:

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