Used // Nikon D90 SLR Digital Camera Body Only 18208254460 | eBay
Amazon.com: Digital Camera External Microphone Compatible with Nikon D90 DSLR Digital Camera, XM-8 Mini Condenser Microphone, for DSLR's, Camcorders and Video Cameras : Electronics
Amazon.com: Digital Camera External Microphone Compatible with Nikon D90 DSLR Digital Camera, XM-AD2 Dual Channel XLR-Mini Audio Adapter for DSLR's, Camcorders and Pro Video Cameras : Electronics