Archived posting to the Leica Users Group, 2000/05/17

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Subject: [Leica] Re: Re: AF
From: Jim Brick <jimbrick@photoaccess.com>
Date: Wed, 17 May 2000 15:06:41 -0700
References: <20000517120632.10958.qmail@web4405.mail.yahoo.com>

The best answer is to use an R camera (e.g., R8) and an f/1.4 Summilux
lens. It is real easy to focus on A-N-Y-T-H-I-N-G. Vertical, horizontal,
repeating, plain, rough, smooth, whatever. At f/1.4, it really "snaps" into
focus. Even in dim light.

Jim


At 04:52 PM 5/17/00 -0400, you wrote:
>Brougham jotted down the following:
> 
>> This reminds me...  I had a hard time focusing my M6 this past week.
>> My subject was a dozen or so vertical pipes that were part of a
>> sculpture.  I had a really hard time telling which pipe was being
>> superimposed on which pipe in the rangefinder.
>
>Repeating patterns are very tricky with the rangefinder.  When I encounter
>such situations, I do one of three things:
>
>  * Try and find the edge of the pattern, or some part of it, which
>    is unique and focus on that.  Then perhaps adjust a little if I
>    can figure out the difference between the distance to that and
>    the distance to the part I'm primarily interested in.  Basically,
>    what you did.
>
>  * Use sufficient DOF to capture the area and scale focussing.
>
>  * Pull out an SLR.
>
>The M is good, but not for everything.
>
>M.
>
>-- 
>Martin Howard                     |
>Visiting Scholar, CSEL, OSU       | People don't like to be parameters
>email: howard.390@osu.edu         | in an equation.
>www: http://mvhoward.i.am/        +---------------------------------------
>
>

In reply to: Message from Brougham <brougham3@yahoo.com> ([Leica] Re: AF)