[rollei_list] Re: OT:Walter Voss Diax cameras
- From: Marc James Small <marcsmall@xxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Thu, 22 Oct 2009 16:28:13 -0400
At 04:20 PM 10/22/2009, Richard Knoppow wrote:
>
> The measured dimensions of a Rollei negative are
>exactly 2-1/4 x 2-1/4 so the diagonal comes out to slightly
>more than 80mm. If the negative is cropped to 8x10
>dimensions it comes out slightly more than 73mm.
> I suspect the reason for using the 80mm focal length
>for the f/2.8 cameras was simply to make it easier to
>correct the marginal rays.
> Kodak made some 35mm cameras with shorter than 50mm
>lenses, the Kodak 35 being an example. I think the lens was
>44mm.
The Ektar produced in LTM, "a dinky little button
of a lens" in Peter Dechert's words, was 43mm.
Marc
msmall@xxxxxxxxxxxx
Cha robh bàs fir gun ghràs fir!
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