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: abridge at mac.com (Adam Bridge)
Date: Wed, 28 Mar 2012 12:10:48 -0700
 
Just curious. Since we were talking about the Nokton lenses.

I have a Noctilux f1.0 50mm and a CV 35mm f1.2

But as you head toward 28mm or 24mm it's f3+. 

As focal length increases above 50mm there aren't many fast lenses either.

So, why the sweet spot between 35 and 50mm?

I'm sure there are optical wizards who can explain this.

Thanks!

Adam
Replies: Reply from liangjiyang at gmail.com (Kay Yang) ([Leica] Why don't we see more large-aperture wide-angle lenses?)
Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] Why don't we see more large-aperture wide-angle lenses?)
Reply from philippe.amard at sfr.fr (philippe.amard) ([Leica] Why don't we see more large-aperture wide-angle lenses?)
Reply from richard at richardmanphoto.com (Richard Man) ([Leica] Why don't we see more large-aperture wide-angle lenses?)