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OptiCampus Optical Calculators
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Lens Tilt & Wrap
Crossed Cylinders
Vertex Distance
Spectacle Magnification
Lens Thickness
Vertical Imbalance
Single Vision Blank Size
Compounding Prisms
Resolving Prisms
Induced Prism
Surface Curve
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Surface Curve Conversion

Fill in the input fields and then press the Calculate button in order to compute the radius of curvature, 1.530 tool-based surface power, actual material-based surface power, and sagitta (at the specified diameter) of a lens surface, given any one of these values.

Surface Curve Conversion Form

Convert From?
 Radius of Curvature
1.530 Surface Power
Actual Surface Power
Sagitta  
Measurement or Reading? (mm)
Lens Material Type?
 
Radius of Curvature (mm):
0.00
Sagitta at 50.0 (mm):
0.00
Actual Surface Power (D):
0.00
1.530 Surface Power (D):
0.00