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Nikon BS-1 Hot-shoe Protection Cap for Nikon D7000, D3100, D90, D5000 and Coolpix P7000 Digital Cameras : Camera Flash Accessories : Electronics - Amazon.com
Amazon.com : MEIKE N-AF1-A Macro Electronic Mount Auto Foucs Macro Metal Extension Tube Adapter for Nikon DSLR Camera D80 D90 D300 D300SD800 D3100 D3200 D5000 D5100 D5200 D7000 D7100 etc : Electronics
Nikon BS-1 Hot-shoe Protection Cap for Nikon D7000, D3100, D90, D5000 and Coolpix P7000 Digital Cameras : Camera Flash Accessories : Electronics - Amazon.com