how to change f stop in manual mode?

remusrigo

New member
Hi all

I'm new with my D90 and I was trying the Aperture mode and scrolled the wheel, but nothing happens. How can I change the aperture in manual mode? Is there any button or combination?
 

gqtuazon

Gear Head
Hello and welcome to the forum.

In M mode, you can adjust the shutter speed and aperture by using the front command sub dial and the command dial at the back. These are the two wheels on the top right. One in the front and one at the back.

In A mode, you can only adjust the aperture. The shutter speed is selected by the camera in order to get the best possible exposure and depending on what ISO you set the camera.
 
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