Tripod adapter 3/8'' to 1/4'' - 120 | Manfrotto Global
Amazon.com : 2 Pieces Tripod Quick Release Plate Tripod Adapter Mount Camera Tripod Adapter Plate Parts for Tripods and Cameras Tripod Mount QB-4W (43 x 43 mm/ 1.7 x 1.7 Inch) : Electronics
Amazon.com: Ipow iPad Tripod Mount Adapter Universal Tablet Clamp Holder Fits Ipad, Ipad Air, Ipad Mini, Microsoft Surface, Nexus and Most Tablets, Use on Tripod, Monopod, Selfie Stick, Tabletop Tripod Stand Etc :