laser optical demonstration instrument

biconvex lens sector optical screen plain convex lens periscope biconcave lens bi-mirror concave-convex reflective glass glass optical fiber right angle prism demo screen for light path equilateral prism parallel plates 2) Component data Item laser module Type D1540 Working Voltage DC3 5V Working Current ≤65mA Working Mode consistent length of laser wave 635nm Power of laser tube 10mW Materials of lens optical glass stability of power ≤1% working hours≥5000h working temperature -10 +50°C storage temperature -20 +85°C laser light shape dot size of laser light shape 5*1.5mm@6cm divergence of beam ≤0.2 mard outline size 15*40mm the length of lead line 165mm remark the quality of line is stable