Optical Position and Size of Image Through Magnifying Glasses

| View Cart ⇗ | Info

“If y be the object the image appears to a normal eye situated behind the system L with passive accommodation at a very great distance under the angle w’. Since H’ P= F O, = y, from the focal length of the simple microscope is the image side focal length.” —Encyclopaedia Britannica, 1910


Encyclopaedia Britannica (11th ed., vol. 18) (New York, NY: The Encyclopaedia Britannica Company, 1910)


TIFF (full resolution)

2400×805, 163.2 KiB

Large GIF

1024×343, 26.5 KiB

Medium GIF

640×214, 14.4 KiB

Small GIF

320×107, 5.9 KiB