Re: need help with ray tracing
- From: Helpful person <rrllff@xxxxxxxxx>
- Date: Thu, 24 Apr 2008 05:43:09 -0700 (PDT)
On Apr 23, 11:32 pm, Fritz <sonni...@xxxxxxxxxxxxx> wrote:
PS Helpful Person- the book you cite sounds interesting-Dover still
prints it at low cost so I ordered a copy. I often turn to early 20th
century books to gain an understanding of physics-often these books
are very lucid and not overwhelmed with mathematical niceties. Thanks
for the tip.
Hope this is of some value,
Fritz
If you like books of this form you must buy a copy of Twyman's "Prism
and Lens making". It is (I believe) the first (and certainly best)
book about grinding and polishing glass. It was written originally
about 1920. Twyman describes in detail the mechansims involved in and
the methods then used in making and testing optical components. You
do not want the first edition but the "expanded one", updated a few
years later. They come up occasionally on Ebay.
Conrady is considered the father of lens design. All future work is
built on his work.
.
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