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SAG Calculator

View All Technical Tools

Radius of Curvature (mm):

Diameter (mm):

Sag (mm): --

Focal Length Calculator

$$ \text{SAG} = R - \sqrt{R^2 - \left( \frac{D}{2} \right)^2} $$

R	Radius of Curvature
D	Diameter

Description

Determine the sag of a surface based on radius of curvature and diameter.

Related Product Category: Optical Lenses

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Edmund Optics GmbH Germany acts as an agent for Edmund Optics Ltd. UK.
The contract partner is Edmund Optics Ltd. UK.

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