OPM5 and OPM4 Optical Power Meters |

power 4dPower of the lens (P) = 4 D. Refractive Index (r) = 1.5. To Find: The radius of curvature. Calculations: The following equation determines a lens's power: where P is the power ofDisclaimer: 4D88 is a 4D results site, we never sell 4D, Government licensed lottery are legal in Malaysia, Cambodia & Singapore, Only buy from government approved 4D operator. 4D88 do