ihocon: Kensington 軌跡球滑鼠/鼠標 Trackball 4-Button USB Expert Pro MouseBHPhotoVideo (B&H)今天deal of the day推出Rokinon HD8M-C 8mm Ultra Wide Angle HD f/3.5 Fisheye Lens with Removable Hood (Canon)原價 $259, 特價 $189, 免運費!!只有今天一天.

Amazon賣$259.