Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
This design makes use of the flexibility of the flexible material, when grasping
the handle firmly, so that the flashlight and the connection structure inside deformed in order to change the focal length of the irradiation, to achieve the transition between the astigmatism and converging.
Zhejiang sci-tec university
wang, guang bo