Archived posting to the Leica Users Group, 2016/09/22

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Subject: [Leica] How did 50mm become the "normal" lens for 35mm cameras?
From: leica_r8 at (Aram)
Date: Thu, 22 Sep 2016 17:30:24 +0000
References: <>

Mark.  That is about the best way I have ever heard to explain human vision.


Aram Langhans
(Semi) Retired Science Teacher
& Unemployed photographer

?The Human Genome Project has proved Darwin more right than Darwin himself 
would ever have dared dream.? James D. Watson
-----Original Message----- 
From: Mark Rabiner
Sent: Wednesday, September 21, 2016 3:03 PM
To: Leica Users Group
Subject: Re: [Leica] How did 50mm become the "normal" lens for 35mm cameras?

Its just that the unaided eye does not really have a frame it looks through.
Its sees the whole room but is only concentrated on a small object in it.
Its a tele mounted in a super wide.
So its darned hard to impossible to state what the angle of the unaided eye
is.  Its a sharp 180mm in a bokeh infused 12mm. I don't think we can round
these two numbers off and come up with something. As I understand it some
people use their peripheral vision differently.

On 9/21/16 4:58 PM, "Lew Schwartz" <lew1716 at> wrote:

> I believe that Bill C. is correct. It's relative to what you see with your
> unaided eye.
> -Lew Schwartz
> On Sun, Sep 18, 2016 at 3:13 PM, Mark Rabiner <mark at> 
> wrote:
>> The normal camera lens now if you want to define normal as "most used by
>> the
>> most photogs most often for most stuff" is the wide angle zoom. Which has
>> come to be the 18 to 35 zoom. This for photojournalists as well as
>> commercial photogs and probably fine art dudes too. It started out being 
>> a
>> 20 to 35. But time flew.
>> I had a 12-24 for my cropped Nikons which translates to that.
>> Not sure if I'm going to get a 20mm 1.8 to go with my new 35 1.8 and 50 
>> 1.8
>> and do some quick back and forth running or go with the zoom.
>> --
>> Mark William Rabiner
>> Photographer
>> _______________________________________________
>> Leica Users Group.
>> See for more information
> _______________________________________________
> Leica Users Group.
> See for more information

Mark William Rabiner

In reply to: Message from mark at (Mark Rabiner) ([Leica] How did 50mm become the "normal" lens for 35mm cameras?)