(a) An achromatic doublet has an effective focal length of 200 mm. Find the focal lengths of the individual lenses if th

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(a) An achromatic doublet has an effective focal length of 200 mm. Find the focal lengths of the individual lenses if th

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A An Achromatic Doublet Has An Effective Focal Length Of 200 Mm Find The Focal Lengths Of The Individual Lenses If Th 1
A An Achromatic Doublet Has An Effective Focal Length Of 200 Mm Find The Focal Lengths Of The Individual Lenses If Th 1 (89.93 KiB) Viewed 22 times
(a) An achromatic doublet has an effective focal length of 200 mm. Find the focal lengths of the individual lenses if they are made of glasses with details shown below. Show your steps in obtaining the values. Neglect the thicknesses of lenses and gaps. Glass 1: Index at d spectral line = 1.639; Abbe number = 55.4 Glass 2: Index at d spectral line = 1.689; Abbe number = 31.2 (b) Sketch your design and indicate how rays parallel to optical axis are focused for each of F, d, and C spectral lines.
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