Here's a quick reference guide to the buttons, dials, and other external controls on your D3100. Note that the lens shown is the Nikkor 18–55mm AF-S DX (Vibration Reduction) model sold with the D3100 kit; other lenses may not have the same controls.



Here's a quick reference guide to the buttons, dials, and other external controls on your D3100. Note that the lens shown is the Nikkor 18–55mm AF-S DX (Vibration Reduction) model sold with the D3100 kit; other lenses may not have the same controls.