Archived posting to the Leica Users Group, 1999/09/28

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Subject: RE: [Leica] Re: Re: Focus woes
From: Greg.Chappell@bankofamerica.com
Date: Tue, 28 Sep 1999 17:02:31 -0500

Know what you mean. Nikon put that same confounded screen on the F3 as
standard issue. I immediately substituted their "B" screen, which is the
plain matte screen.

- -----Original Message-----
From: Jim Brick [mailto:jimbrick@photoaccess.com]
Sent: Tuesday, September 28, 1999 4:29 PM
To: leica-users@mejac.palo-alto.ca.us; leica-users@mejac.palo-alto.ca.us
Subject: [Leica] Re: Re: Focus woes


I don't remember Leica saying anything about different lenses with
different screens. But the screens with a center split image are maddening!
I cannot fathom their usefulness. You are trying to compose this scene, but
there is a big glitch, right in the middle, that screws up your view. And,
with long lenses, the little split image prisms go black, further screwing
up the composition. Even with short lenses, using DOF preview, they go
black. You cannot use these lousy screens with DOF preview. I use DOF
preview with at least 75% of my Leica R photographs. 100% with MF and LF
images.

I guess you can tell that I don't like anything except a smooth, plain,
ground glass. Grid lines are OK. You get the whole, unadulterated, view.
And can check DOF without interference.

Jim


At 10:55 PM 9/27/99 -0700, Mark Rabiner wrote:
>Jim Brick wrote:
>> 
>> Dave,
>> 
>> All matt screens are completely compatible with ALL lenses. The only
screen
>> that has a special purpose is the clear screen, used for aerial image
focus
>> (microscopes I think).
>> 
>> Jim
>> 
>It's the centers of them (am I right Jim) that vary. 
>A split image or various coarsenesses center spots can be optimized for
certain
>focal lengths and lenses.
>Mark Rabiner