Transmission wavefront aberration interferometer has been developed and a demonstration unit has been created.

It is possible to directly measure aberrations of non-focusing lenses, group lenses, etc., which could not be measured with conventional equipment.
It is possible to measure semi-finished lenses and group lenses in the lens manufacturing process.
→This contributes to yield improvement and efficient production line operation.

No high-precision reference spherical surface or conversion lens is required for measurement.
For details, please refer to the following documents.

【●収差チェッカ資料】

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