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George wrote:
> If Bill would like to do a bit of reading, there's a nice little 1960 Dover
> paperback, "Optics and Optical Instruments", by B K
> Johnson, a reprint of his 1947 "Practical Optics", which has supplied much of
> my own information. But bear its date in mind; it will
> tell nothing about the considerable postwar developments of aspheric surfaces,
> computer lens design, exotic optical materials, etc,
> that have transformed the technology, mainly the result of Japanese ingenuity.
George
As always, a pleasure and learning experience.
Thank you for the reference. Will try to locate it at a regional library.
Bill
