Abstract
A modified version of the Adaptive Method has been used to reduce the fifth order aberrations of two designs; one a high aperture IR triplet and the other a Retrofocus photographic lens. It was found that the designs with reduced fifth order aberrations had strong curvatures to affect this correction which were not present to such a great extent in the final balanced designs. Damped least squares optimization lead to a better solution, and with a faster rate of convergence, for the IR triplet but did not show the same advantage for the Retrofocus lens which had a starting design which more closely approximated the final lens form.
© 1994 Optical Society of America
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