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FT222

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(A)spheric lenses. Ideal lens has elliptical profileHyperbolic lens - elliptical surface.. . . . . . Most optics are Spherical.. Why?. Paraxial Region. For a circle shifted R from the originy2 (x-R) 2 = R2Solving for xx = R2 /- (R2 -y2 )1/2 Using binomial expansion and taking the - termCheck.

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FT222

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    1. FT222/4 Applied Optics Module 2 Exact ray trace. Aberrations, analysis and optimisation

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