[LargeFormat] symmar

[Les Newcomer]

This is a great set up for a studio or landscape person that likes a long
perspective.

You have two lenses in one.  With both halves of the lens on the shutter the
lens is a 240mm lens.that's a bit on the long side of normal, about what an
80mm lens on a 35mm camera would be.

Now remove the FRONT element and you have a very long 420mm lens! ( a 140mm
on 35mm) 

And yes the coverage should be ample and functional, although I don't know
how close you will be able to focus with the 420.. It will need a bit more
than 16.5 inches of bellows to focus at infinity.

les

> From: "Eduardo Aigner" <aigner.ez@terra.com.br>
> Reply-To: largeformat@f32.net
> Date: Mon, 25 Feb 2002 15:10:03 -0300
> To: <largeformat@f32.net>
> Subject: [LargeFormat] symmar
> 
> 
> 
> 
> 
> 
> Hi there,
> 
> I am new to the large format world and to this list.
> Last week I purchased a Toyo 45C and a Schneider Symmar 240mm 1:5,6 wich is
> said to be a convertible lens (?). On the shutter is marked, beyond the
> 240..., 420mm 1:12 in green letter. The diafragm scale is double too, with
> green and white diferent f stops. Is this functional? Is the coverage large
> enough for 4x5? How should I deal with focus shift if any??
> 
> thanks
> 
> AIGNER
> 
> 
> 
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