Archived posting to the Leica Users Group, 2009/06/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I think you forgot cholesterol content... On Jun 5, 2009, at 4:01 PM, Jeff Moore wrote: > 2009-06-05-03:33:35 Mark Rabiner: >> I would love to read Erwin's take on what a 77mm filter size on an >> optic >> which should be the single easiest to design does. > > There are competing design axes: > > Compactness > > Light Gathering > > Vignettinglessness > > Great Taste > > Less Filling > > You can't have all of them, and if you relax one, you can have more of > the rest. > >> It has a Ring-type ultrasonic focusing motor. >> I like the sound of that! >> >> I wish I knew what kind of rings though! > > Maybe from Mordor. But probably from Nibelung. > > -Jeff > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information THEIN Onn Ming *photohorologer ming at www.mingthein.com www.flickr.com/mingthein