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order equations for values of n from 1 4 to 1 75 This table has been computed
Monochromatic aberrations of a single thin lensContinued Page
Aberration equations extended to a system of thin lenses
aberration equations angular aperture aplanatic applied astigmatism axial point bundle of rays chief ray comatic components computations conjugate continental system Curv curvature defined by equation determined diaphragm distortion eccentric refraction entrance and exit entrance pupil point entrance window equations of imagery exit pupil point eyelens eyepiece field lens focal length geometric optics height of incidence higher order aberrations image formed image plane image point image space incident bundle incident light index of refraction lateral chromatic aberration lens system lenses lower diagram magnification marginal ray monochromatic aberrations object and image object plane object space obtained optic axis optical system order imagery plane parallel plate positive PRISM CONSISTS pure coma radians Ramsden eyepiece ratio ray tracing reflecting prisms shape factors sign convention single lens spherical aberration Taylor system telescopic system termed thick lens thin lens third order aberrations third order equations tion upper diagram values vanish wave length zero