Controls: Location of mechanical datums, the distance between optical surfaces, or a combination of the two

Related Terms:  Center Thickness (CT), Sagitta (Sag), Outside Diameter (OD), Overall Height (OAH)

Units: Linear units

Specification Must Contain: Nominal value and linear tolerance

Optimax Preferred Specification: Directly measured quantities

Reasons: Directly measured quantities offer the best chance for repeatable measurements with minimal error sources

Manufacturing Standards: MIL-STD-34, ISO 10110-1

Mechanical Attributes – Diameter, CT and Sag/OAH

Find out more by downloading our technical note on Mechanical Attributes


Optimax - Optics Tolerance Attributes

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