Nikon TE2000-E with C2 scanning head
This is part of the Backprojected Pinhole Calculator.
The size of the circular pinhole is shown by the microscope as a diameter
dexpressed in microns (µm): 20; 30; 40; 60; 90 and 150. Use this value in the form below.
(Data provided by Kazuo Yorimitsu, CEO, Solution Systems, Inc.)