Archived posting to the Leica Users Group, 2005/02/05

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Subject: [Leica] 75 'cron
From: bdcolen at earthlink.net (B. D. Colen)
Date: Sat Feb 5 19:56:44 2005

No one was suggesting they come out with a 105 - the point was that a 75
might BE a 105 on a digital..;-)

-----Original Message-----
From: lug-bounces+bdcolen=earthlink.net@leica-users.org
[mailto:lug-bounces+bdcolen=earthlink.net@leica-users.org] On Behalf Of
Frank Filippone
Sent: Saturday, February 05, 2005 5:51 PM
To: Leica Users Group
Subject: RE: [Leica] 75 'cron


If Leica is chasing Bessa/Cosin/Voigtlander, they are in deep doo-doo.
Back to my argument to fire someone for wrong thinking.

A 105 lens ( if you even guess that a digital M is around the corner or
in the near future, or in the not too distant future, or in the future,
sometime) is dumb.  They have not had a 105 lens in what, 65 years?
There is a 90 that is popular and there is a 75 that is popular.  If you
take (any Summicron or ASPH Lux) 50mm lens and multiply by the presumed
digital factor of 1.6 you get 80mm AOV. The portrait FL of choice by
Leica for 75 years.
Why a 105?    Multiply by 1.4 and you get... 70MM. The FL they already
have
in the lineup for 35 film.  I am not saying that thi sis not the reason
they are doing this, but it sounds .... unlikely.

In my mind, there is only 1 logical reason for the lens..... a redesign
was needed for some reason of optical glass availability, or just plain
cost. Face it, Leica Canada has been gone for a while, and this is the
last lens to survive that ex-Canada thing.  If I were going to design a
new lens to replace the existing, I might just think about changing the
design for lower cost ( less optical elements of less costly optical
glass).  So a 75 F2 makes sense here.  The 75/1.4 would then be
discontinued.

This kind of thinking meets the goal of lower cost ( F1.4 vs F2).  It
also fixes the availability issues.


Frank Filippone
red735i@earthlink.net


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Replies: Reply from red735i at earthlink.net (Frank Filippone) ([Leica] 75 'cron)
In reply to: Message from red735i at earthlink.net (Frank Filippone) ([Leica] 75 'cron)