[LargeFormat] Carl Zeiss Dagor 180mm f9
Richard Knoppow
dickburk at ix.netcom.com
Sat Oct 1 00:15:45 EDT 2005
----- Original Message -----
From: "Timothy Atherton" <tim at KairosPhoto.com>
To: "f32 Large Format Photography Mail List"
<largeformat at f32.net>
Sent: Friday, September 30, 2005 6:08 PM
Subject: [LargeFormat] Carl Zeiss Dagor 180mm f9
> Does anyone have any information on this lens at all?
>
> thanks
>
> tim a
More...
I have a partial copy of a 1936 Zeiss catalogue. It lists
the f/9 Dagor in the following focal lengths: 7.5cm, 10cm,
12.5cm, 15cm, 18cm, 21cm, 24cm
Image circle for the 18cm is given as 15-1/2 inches at
"small stops". There is a note that the lens should be
stopped down to f/18 or less for good definition at the
edges. Diameter for slip over attachments is 42mm. The lens
was available in a barrel or in a Compound or Compur
shutter.. Because of its symmetry the Dagor(and W.A.Dagor)
has very little geometric distortion.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk at ix.netcom.com
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