How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Focal length
1/((n-1)*(1/r1-1/r2))Lens Maker Equation Calculator
Thin lens in air. Radius is positive when curvature center is along the light direction.
Thin lens in air. Radius is positive when curvature center is along the light direction.
Result
Enter your values and run the tool to see your result.