Sorry, my bad. The lens is a Rodenstock Imagon. I also said there was
no variable aperture diaphragm. That may or may not be true. I can't
really tell.
Chuck Norcutt
Chuck Norcutt wrote:
> Here's a soft focus Rodagon. No variable aperture though. Just
> replaceable aperture/diffusion disks
> <http://glennview.com/jpgs/lens/300imagon/big_1.jpg>
>
> Chuck Norcutt
>
>
> Jeff Keller wrote:
>
>>
>> I think some of the soft focus lenses use(ed) numerous off axis holes
>> but evenly distributed around the axis to give variable softness. As
>> the lens is stopped down different holes are covered up. I guess the
>> multiple holes would give a shallower DOF than the aperture setting
>> would imply and also add more diffraction.
>
>
>
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