Lens Calculator
Please complete the input parameters below and the calculator will provide the appropriate outputs.
Input Parameters
| Variable | Value |
|---|---|
| Calculate Input From | mm |
| Clear Aperture Shape | |
|
Clear Aperture (CA)
i
|
mm |
| Wavelength (λ) * | nm |
|
Conic Constant (k)
i
|
|
| Centre Thickness (CT) | mm |
* Not required if "Radius of Curvature (RoC)" is selected as "Calculate Input From" value.
Output
| Ref Index (n) | Maximum Sagitta | Maximum Slope (θ) | Numerical Aperture | Back Focal Length (BFL) |
|---|---|---|---|---|
