Archived posting to the Leica Users Group, 2012/03/28

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Subject: [Leica] Why don't we see more large-aperture wide-angle lenses?
From: jayanand at gmail.com (Jayanand Govindaraj)
Date: Thu, 29 Mar 2012 07:20:19 +0530
References: <E79E94CF-54D6-4134-B7AB-3270E4F5F9D0@mac.com> <CAF8hL-EA=RQQqkTx2KBAeTueFAs6Rbzs9sY7RvCj59VnFw8tEw@mail.gmail.com> <015501cd0d40$0a9298e0$1fb7caa0$@earthlink.net> <0F875B55-15BD-4F21-ACE8-6989AB32465C@gmail.com>

Or 24mm f1.4 at the same price - US$2000!
Cheers
Jayanand

On Thu, Mar 29, 2012 at 7:08 AM, Leowesson <leowesson at gmail.com> wrote:

> Reasonable?  14-24 2.8.  2k.
>
> Leo Wesson
> www.leowesson.com
>
> On Mar 28, 2012, at 19:08, "Frank Filippone" <red735i at earthlink.net>
> wrote:
>
> > Nikon and Canon both sell them....at reasonable prices....  They must be
> > retrofocus lenses to work on an SLR.
> >
> > Maybe the problem is ... reasonable prices....
> >
> > Frank Filippone
> > Red735i at earthlink.net
> > To do a wide angle fast lens, you will need retrofocus design, even for
> > rangefinder where there's no mirror box. The mostly symmetrical designs
> like
> > the Biogon do not scale to fast aperture. If I understand it correctly, a
> > retrofocus would be like putting a reducer at the back of a longer than
> wide
> > angle lens, thus adding complexity. And since fast lens make the
> aberration
> > situation worse, further complex design is needed to control them. So
> it's
> > sort of like a double whammy.
> >
> >
> >
> > _______________________________________________
> > Leica Users Group.
> > See http://leica-users.org/mailman/listinfo/lug for more information
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>


Replies: Reply from red735i at earthlink.net (Frank Filippone) ([Leica] Why don't we see more large-aperture wide-angle lenses?)
In reply to: Message from abridge at mac.com (Adam Bridge) ([Leica] Why don't we see more large-aperture wide-angle lenses?)
Message from richard at richardmanphoto.com (Richard Man) ([Leica] Why don't we see more large-aperture wide-angle lenses?)
Message from red735i at earthlink.net (Frank Filippone) ([Leica] Why don't we see more large-aperture wide-angle lenses?)
Message from leowesson at gmail.com (Leowesson) ([Leica] Why don't we see more large-aperture wide-angle lenses?)