| 摘要 |
PURPOSE: To obtain a processing method adequate for paraxial calculation of an optical system for calculating the paraxial quantity developed around the reference axis of the optical system including a curved surface (off-axial curved surface) which is not the plane having the plane normal not aligned to the reference axis at the point where the optical path (reference axis) of the reference wavelength from an object plane to an image plane intersects with the curved surface and a processor using the same. CONSTITUTION: At least one among A, D, B,Φof the Gaussian bracket by which the calculation equation is obtained, focal length, two principal point positions, magnificationβand the paraxial quantity of back focus are calculated for each of the respective faces or over the entire system by the technique developed around the reference axis of the optical system including the off-axial curved surface which is not the plane having the plane normal not aligned to the reference axis at the point where the reference axis of the reference wavelength from the object plane to an image plane intersects with the curved surface.
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