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Outline of tolerancing from performance specification to toleranced
Use of computers to calculate tolerances on the parameters of complex
Investigations in optics with special reference to the spectroscope
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aberration coefficients aberration functions aberration tolerances Airy disk amount angle aperture approximation assembly astigmatism axial coma azimuth birefringence calculated coma component corresponding criterion curvature curve decentration defects defined derivatives deviation diameter diffraction displacement effect element encircled energy entrance pupil equations exit pupil factor field focal length focal plane focal shift focus formula given Hexanon image plane image quality instrument intensity lens lenses manufacturing maximum measured method mirror modulation transfer function node plot O.OOOOOE+00 object obtained optical axis optical design optical system optimization parameters paraxial performance perturbation prism radius ray tracing reference sphere refractive refractive index relative ripple scattering scratch sensitivity shown in Figure spatial frequency specifications spherical aberration SPIE Strehl ratio Table telescope thickness tilt tion tolerancing transfer function values variance variation visual wave aberration wavefront aberration wavefront error map wavelength zero