Dioptric Power
P_l = 1 / f_l
What it says
The strength of a lens in dioptres — how sharply it bends light.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
P_l | Optical power (1/m) | L^-1 |
f_l | Focal length (m) | L |
Work it out
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Fill in all but one: f_l, P_l are all empty.
Filed under Optics · derive through it in the explorer