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Handbook of Optical Design, 3rd Edition by Zacarías Malacara-Hernández, Daniel Malacara-Hernández

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11

Basic Optical Systems and Simple Photographic Lenses

11.1  OPTICAL SYSTEMS DIVERSITY

An optical system is basically formed by lenses and mirrors, but it has an extremely large number of possible configurations and requirements, as pointed out by Hilbert and Rodgers (1987). The optical system may have many different requirements, depending on its particular application, for example:

1.  Speed or f-number FN

2.  Field angular diameter

3.  Lagrange invariant

4.  Resolution on- and off-axis

5.  Aperture size (entrance pupil diameter)

6.  Physical size of the system

7.  Construction difficulties

8.  Cost, and so forth

From a strictly optical point of view, the first four items are the most important. A single magnifier obviously does not have ...

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