Nikon COOLPIX A900 Reference Manual

A, B, C, and D Modes (Setting the Exposure for Shooting)

In 

A, B, C, and D modes, you can set exposure 

(combination of shutter speed and f-number) according 
to the shooting conditions. Also, you can achieve 
greater control when shooting images by setting the 
shooting menu options (

A, B, C, and D Modes (Setting the Exposure for 
Shooting)

Shooting mode

Description

A

Programmed auto

You can let the camera adjust the shutter speed and 
f-number.

• The combination of shutter speed and f-number can be 

changed by rotating the command dial or multi selector 
(flexible program). While the flexible program is in effect, 
the A (flexible program mark) is displayed on the upper 
left of the screen. 

• To cancel the flexible program, rotate the command dial 

or multi selector in the opposite direction than when you 
set it until the A is no longer displayed, change the 
shooting mode, or turn off the camera.

B

Shutter-priority 
auto

Rotate the command dial or multi selector to set the shutter 
speed. The camera automatically determines the f-number.

C

Aperture-priority 
auto

Rotate the command dial or multi selector to set the f-number. 
The camera automatically determines the shutter speed.

D

Manual

Set both the shutter speed and f-number. Rotate the 
command dial to set the shutter speed. Rotate the multi 
selector to set the f-number.

1/250

1/250

1/250

880

880

25m  0s

25m  0s

F3.7

F3.7

F3.7

Multi 
selector

Command 
dial

Shutter speed

F-number

Flexible program is in effect.