How much does this cost to the nearest dollar?

Swiftcam 10 Megapixel Camera for Microscopes, with Reduction Lens, Calibration Kit, Eyetube Adapters, and USB 3.0 Cable, Compatible with Windows/Mac/Linux
Mount this 10 megapixel Swiftcam onto your microscope's trinocular port or regular eyetube to record full-color pictures and videos Reduction lens ensures that the camera displays an accurate field of view to the microscope's magnifications Versatile mounting system -- the reduction lens will fit a 23.2mm ocular port or tube, included adapters fit 30mm and 30.5mm tube sizes USB 3.0 connection for lightning-fast transfer speeds between camera and computer CD software for Windows, Mac, and Linux Color 10 Megapixel 3.0, Water Resistance Level Waterproof,

Price is $270.00
Price: $269.99