HOOKUPZ* 2.0, Universal Smart Phone Optics Digiscoping Adapter, Optics with an eyepiece of 25-58mm, For Binoculars, Spotting Scopes, Monoculars, Telescopes, Microscopes, Incompatible for riflescopes and tablets, Fits ipods, iphones, Galaxy, Motorola and HTC phones
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 100 mm focal length, Lens measures 3in diameter, 0.3 weight
Acrylic Light Pipe, 24x1/2in - Clear, 2 feet of pipe coiled up at one end to demostrate light transmission end to end, transmits light like fiber optic cable, Weight (lb): 0.7, Length (in):9.0, Width (in):3.0, Height (in):4.0