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Thanks for all the interesting replies! I've been out of town for a week and just caught up with the board. I wish I could report that the topic of the lecture was in line with some of your ideas,...

Thanks for your posts. School was actually 10 years ago for me and I do remember a lecture on surfacing lenses and the optics of glass lenses. I'm still convinced that this speaker said back...

Well, Blake I'm willing to admit that maybe I was starting to zone a little... I did travel two hours to get to the conference. I was sure she said back side. It's stuck with me so much I did an...

Hi This is the first time I've posted , but I've been an avid reader
of Optiboard for awhile. That said, I have a question. It's almost too basic and I'm embarassed. I recently went to a...