Archived posting to the Leica Users Group, 2009/04/05

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] 180/f2.8 & Infinity focus
From: ken at iisaka.org (Ken Iisaka)
Date: Sun, 5 Apr 2009 19:32:42 -0700
References: <9E699D31-53E0-4B5B-AC0B-4BA845BCAF17@aotera.org>

I don't own this lens, but does this lens per chance focus beyond
"infinity?"  A lot of long lenses allow movements beyond "infinity" to
compensate for temperature variations.

On Sun, Apr 5, 2009 at 5:12 PM, Spencer Cheng <scheng at aotera.org> wrote:

> Hi Folks,
>
> I've been trying out my father-in-law's 180/f2.8 (serial number dates it to
> about 1969, converted to 3-cam by Kindermann in Toronto) with a R-8 I 
> bought
> off Ted. I finally had a chance to take it out into the countryside today
> and noticed that when I try to focus at infinity, the focusing screen is
> still slightly blurry. I tried the same R-8 body with a 90/f2.8 and 
> infinity
> focus seems to be fine. So this would seem to suggest that the lens has 
> some
> problem.
>
> Before I send the lens to Kindermann, are there any known problems with
> infinity focus with this lens?
>
> Regards,
> Spencer
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>
>


-- 
Ken Iisaka
first name at last name dot org or com


Replies: Reply from rsphotoimages at comcast.net (rsphoto's email) ([Leica] 180/f2.8 & Infinity focus)
Reply from scheng at aotera.org (Spencer Cheng) ([Leica] 180/f2.8 & Infinity focus)
In reply to: Message from scheng at aotera.org (Spencer Cheng) ([Leica] 180/f2.8 & Infinity focus)