Difference between revisions of Optics related math
m →From blur horizon of naked eye: fix signs |
→The thin lens equation: add a picture |
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| Line 7: | Line 7: | ||
==The thin lens equation== | ==The thin lens equation== | ||
[[File:Lens3.svg|right]] | |||
<math>\frac{1}{f} = (\frac{1}{s}) + (\frac{1}{s'})</math> | <math>\frac{1}{f} = (\frac{1}{s}) + (\frac{1}{s'})</math> | ||
where | where | ||
* <math>f</math> = focal length of lens | * <math>f</math> = focal length of lens | ||
* <math>s</math> = distance to object | * <math>s</math> = distance to object (<math>S_1</math> on the picture) | ||
* <math>s'</math> = distance to image | * <math>s'</math> = distance to image (<math>S_2</math> on the picture) | ||
===Infinity=== | ===Infinity=== | ||