Difference between revisions of Optics related math
separate out thin lens equation as a separate section, and flesh it out slightly. |
m →Infinity: oops - image -> object |
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===Infinity=== | ===Infinity=== | ||
The term '''object at infinity''' is often used. When <math>s=\infty</math> is substituted into the thin lens equation, that term vanishes, so that the focal length is then just the image location. For any sufficiently large | The term '''object at infinity''' is often used. When <math>s=\infty</math> is substituted into the thin lens equation, that term vanishes, so that the focal length is then just the image location. For any sufficiently large object distance, the contribution from the reciprocal becomes negligible. | ||
===Virtual image=== | ===Virtual image=== | ||