Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 75 x 50 x 12 mm
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
Spectrometer - Basic, Sturdy Metal And Includes An Adjustable Collimator Tube, Telescope, And Prism Stand, For Use In Elementary Schools, Measure The Angle Of Prisms Using The Law Of Reflection, Demonstrate Optics Phenomenon With A Diffraction Grating Or Measure The Wavelengths
Prism, with different angle 25 x 25 x 130degree, Optical Borosilicate Crown glass having R.I. 1.510 App. Optically worked for use with Spectrometer, Equilateral, two facespolished 32 x 32 mm height.Double Extra Dense Flint R. Index 1.71-1.74, Weight (lb): 1.3, 6.3x6.3x3.9in
Double Concave Optical round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 150mm focal length, 50mm diameter and 5.5mm thick