Archived posting to the Leica Users Group, 2004/11/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]It is not strictly a long focus lens, but more or less symmetric, there are advantages to this optically, that is why it is so good. Since the focal point is in the middle of a symmetric lens the film to front length will be considerably more than the focal length. A lens of this speed could perhaps be made shorter by making it a telephoto construction but then it would probably -need- to be heavily redesigned even to match the existing design never mind improve on it. How could it be smaller in diameter and still be f1.4? Frank On 27 Nov, 2004, at 16:13, Mark Rabiner wrote: > On 11/27/04 6:57 AM, "Frank Dernie" <Frank.Dernie@btinternet.com> > typed: > >> What is not cutting edge about the 75 f1.4? I can see people not >> liking >> it and I can see that perhaps it can be improved on but so far AFAIK >> nobody has, which means it is still the cutting edge, surely. >> frank >> > I hear its a very sharp and amazingly excellent lens. > I just think the lens could and should be re designed to be more > compact and > sharper with ASPH's. > And APO's! :) > As well has modern computer design and all the things which have come > about > in the past 24 years. Floating elements I don't know. I'm not sure how > much > they've tweaked it but to me its still and old monster. > > Its a 75mm lens and it's 80mm long! > I thought telephotos are shorter than their focal length. > > I guess that makes this a "long focus" lens. > > > Mark Rabiner > Photography > Portland Oregon > http://rabinergroup.com/ > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >