Chapter 19, Optical Instruments

> How do our eyes work?

> Why do some of us wear glasses?

> How does a microscope work?

> How does a telescope work?

Simple Camera

Human Eye

Lenses in Combination

Simple Magnifier

Microscope

Telescope

Summary

Homework

Ch 18, Mirrors and Lenses

Simple Camera

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(c) Doug Davis, 2002; all rights reserved