Difference between revisions of Optics related math
→From blur horizon of naked eye: fixing signs |
Viceroy Sam (talk | contribs) m →From blur horizon of naked eye: typos fixed: Eg → E.g. |
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given <math>s' = -cm</math>. | given <math>s' = -cm</math>. | ||
For full correction, that's easy : <math>s=\infty</math> and so <math>f=s'</math>. | For full correction, that's easy : <math>s=\infty</math> and so <math>f=s'</math>. E.g. if your | ||
blur horizon is 20cm you need a -5D correction. | blur horizon is 20cm you need a -5D correction. | ||