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Re: ray tracing assumptions



Wolfgang,
Are you perhaps wondering how to apply the following ray tracing rules
(greatly simplified here) to a virtual object situation?
1) A horizontal ray refracts through a focal point
2) A ray through a focal point refracts into a horizontal ray
3) A ray through the (thin) lens center is undeviated.

Bob Sciamanda (W3NLV)
Physics, Edinboro Univ of PA (em)
trebor@velocity.net
http://www.velocity.net/~trebor