By Milton Laikin
That includes over seven-hundred references, equations, tables, and drawings, this hugely lauded and best-selling reference emphasizes sensible designs of over 30 lens structures, together with single-element, two-element achromats, air-spaced triplets, projection lenses, and complicated wide-angle and zoom lenses. It comes with software program that provides beginning suggestions for desktop optimization courses lens prescriptions and a number of other shorter courses to compute the refractive index of glasses from quite a few brands, create lens drawings, practice zoom computations, do try glass becoming, and calculate third-order recommendations for unmarried lenses, achromats, and triplets.
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Extra info for Lens Design, Third Edition, (Optical Science and Engineering)
Thus these glasses cannot be used near an image surface. Striae. A few glass types are prone to fine striae (index of refraction variations). These glasses should not be used in prisms or in thick lenses. The Method of Lens Design 11 When the glass is finally selected, the actual catalog values are then substituted for the “fictitious glass” values. This is done by changing the surface curvatures to maintain surface powers. Let Φ be the surface power at the Jth surface with curvature C and a fictitious refractive index N.
The near distance at which the lens is acceptably sharp is HD H + D− F and the far limit is HD H − D+ F For H>>F and if D=H (the hyperfocal distance) then it is acceptably sharp from H/2 to infinity. In the usual photographic lens, values of these near and far limits are engraved on the lens housing so that the photographer may note these limits for the various settings of his iris. DIFFRACTION LIMITED MTF Consider a lens with a uniformly illuminated entrance pupil in incoherent light. Then the MTF response is T= [ 2 arccos( K ) − K (1 − K 2 )1 / 2 π ] where K is the normalized spatial frequency = Sλf# and S is the spatial frequency in lp/mm for which one wants to find the response.
1996). Expansion of an athermal chart into a multilens system, Optical Engineering, 35:3001. Tatian, B. (1984). Fitting refractive index data with the scllmeier dispersion formula, Applied Optics, 23:4477. Tuchin, G. D. (1971). Summing of optical systems aberrations caused by decentering, Sov. J. , 38:546. Unvala, H. A. (1966). The orthonormalization of aberrations, AD-640395, available from NTIS, Springfield, VA. Wang, J. (1972). Tolerance conditions for aberrations, JOSA, 62:598. T. (1986). Aberrations of Optical Systems, Adam Hilger, Bristol.