Xy-3309-7 Hypropia, Myopia Causes and Corrective Demonstrator

• Condition: New
• Customized: Customized
• Certification: ISO9001, CE
• Material: PVC
• Delivery: 10days
• Shipment: by Sea,Air,Express
• Model NO.: XY-3309-7
• MOQ: 1 PCS
• Transport Package: Paper Ctns
• Specification: 50cmX12cmX20cm
• Trademark: XINYI
• Origin: Shanghai, China
• HS Code: 90230090
• Production Capacity: 20000PCS/Month

Product Description

XY-3309-7 Hypropia,myopia causes and corrective demonstrator
This product is for teacher to demon the cause of hyperopia,myopia and correction ,composed by base,light source,removable water lens,fixed water lens,removable focalizer,fixed lens focalizer,activities retina and optical simulation demo board.While in the process of teaching,not only to move lens position,and moving the focusing lens and a foxed focus lens to adjust the focal length of the lens.