Difference between revisions of Vertex distance
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typo
(Inserted formula, example calculation and plus/minus lens discussion) |
(typo) |
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<math>D_C=1/(1/D-x)</math>, | <math>D_C=1/(1/D-x)</math>, | ||
where <math>D_C</math> is the corrected diopter number, <math>D</math> is the diopter strength of your lenses and <math>x</math> is the vertex distance in meters. It is important to note here that this equation is sensitive | where <math>D_C</math> is the corrected diopter number, <math>D</math> is the diopter strength of your lenses and <math>x</math> is the vertex distance in meters. It is important to note here that this equation is sensitive to minus signs of your diopter strength. | ||
Example for a vertex distance of 15mm (=0.015m): | Example for a vertex distance of 15mm (=0.015m): | ||