USB + WIDE ANGLE LENS + TELEPHOTO ZOOM + HD FILTER KIT FOR NIKON D3100 D40 D60 | eBay
Amazon.com : 52mm 7PC Filter Set for Nikon D3100, D3200, D3300, D5100, D5200, D5300, D5500 with NIKKOR 18-55mm f/3.5-5.6G VR II Lens - Includes 3 PC Filter Kit (UV-CPL-FLD) and 4 PC
Amazon.com : Giant All You Need Accessory KIT for Nikon D3100 D3200 D5000 D5100 with Backpack Tripod Flash TELEPHOTO Lens Wide Angle Lens Filter KIT Remote Control Close UP Lenses 2 EN-EL14
52MM HD FILTER SET UV/CPL/FLD + LENS HOOD + LENS CAP FOR NIKON D3100 D3200 D3300 | eBay
The Nikon D3100 And Its Capabilities - Full Spectrum