Model No. OS-9498
Equipment Setup
3
®
3.
Using a pin, make a hole in the center of the foil.
4.
Insert the screen-end of the inner tube into the open
end of the outer tube until the metric scale reads 5
cm.
5.
Point the Pinhole Viewer at the desired object.
6.
Look through the open end to observe the image.
7.
Slide the inner tube back and forth to change the distance between the pinhole and the screen
(d
i
).
