ACCESSORIES FOR OPTICAL DISK, HARTL
Includes the following glass lenses or prisms. Frosted faces. Thickness 10mm.
Packed in a velvet lined case.
Spherical bi-convex lens, length 85mm
Spherical bi-concave lens, length 85mm
Triangular right angle prism (90ß-45ß-45ß), hypotenuse 75mm
Trapezoidal prism, base 85mm
Semicircular lens, diameter 85mm
Circular lens, diameter 85mm
Note: The optical elements are fixed on the metal disk by means of clamping screws which are provided with the Hartl Optical Disk.