Nikon D3000 Reference Manual

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16
Attach a Lens
Care should be taken to prevent dust from entering the camera when the lens is 
removed. The lens generally used in this manual for illustrative purposes is an AF-S 
DX NIKKOR 18–55mm f/3.5–5.6G VR.
1
Turn the camera off.
2
Remove the rear lens cap and the 
camera body cap.
3
Attach the lens.
Keeping the mounting index on the 
lens aligned with the mounting index 
on the camera body, position the lens 
in the camera’s bayonet mount (q). 
Being careful not to press the lens-
release button, rotate the lens 
counter-clockwise until it clicks into 
place (w).
Slide the A-M switch to A (autofocus; if 
the lens has an M/A-M switch, select M/A 
for autofocus with manual priority).
D
Autofocus
Autofocus is supported with only AF-S and AF-I lenses, which are equipped with autofocus 
motors. Autofocus is not available with other AF lenses.
Focal length scale
Focal length index
A-M mode switch (see below)
VR (vibration reduction) switch (
17)
Mounting index
Rear lens cap
Lens cap
Focus ring (
48, 191)
CPU contacts
 
(
158)
Zoom ring