Multiple Lenses

• Objects of the second lens can be virtual. Let’s move the second lens closer to the first lens (in fact, to its focus):

For the first lens: s1 = +1.5, f1 = +1

For the second lens: s2 = -2, f2 = -4

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Note the negative object distance for the 2nd lens.

http://wug.physics.uiuc.edu/courses/phys112/fall97/acts/lect27/act27b/sld001.htm

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