Body Cap BF-1B
Can be placed on the camera body when no lens is attached to protect your camera from dust and moisture.
D3100
Stunningly simple-to-use DX-format SLR with 14.2 megapixel CMOS image sensor, Guide Mode, EXPEED 2, razor-sharp 11-point Autofocus system and full HD D-Movie. Boasts a lightweight body and superior ergonomics.