----- Original Message -----
From: "Don Williams" <dwilli10@xxxxxxxxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Sunday, May 21, 2006 8:45 PM
Subject: [rollei_list] Re: WTB: SL66 thingies
At 07:01 PM 5/21/2006 -0700, you wrote:I can't answer for Jerry but there are plenty of zoom lenses that have this many. They would be impossible without effective anti-reflection coating.Peter,
Yeah, you do 99.5 for say 11 air to glass surfaces and you end up with a number that is not quite so large.
BTW, you should tell Eric that you drive a La Salle, not a DeSoto!
Jerry
Jerry,
What lens design do you have in mind that has 11 air to glass surfaces?
Don Williams La Jolla, CA
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