Radius Tolerance to Power

For optics fabrication, sometimes 3/ power (the deviation from a perfect spherical surface of an optical element) is needed. It can be calculated out of the radius and conic constant from the asphere formula together with the radius tolerance and the clear aperture.

Input Parameter:

Radius [mm]:

Clearaperture [mm]:

Radius Tolerance Range [mm]:

Conic Constant:

Result:

Disclaimer:

Please counter-check the results. Despite thorough controls by our means, errors are possible. Use at your own risk(GTC applies). 

Next steps: 

If you want to check your lens data for fabrication or get a cost estimation, you need the PanDao tool.  Find out more by getting a free live demo!