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  1. Replies
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    Darkcloth for Crown Graphic

    I have concluded that I need a darkcloth for my Crown Graphic. I have come acro ss pro/con comments in the past but can't seem to find them now. Any recommenda tions? Thanks in advance.
  2. Voightlander Apo-Lanthar 150/4.5 lens: optimum aperture?

    Does anyone know what the optimum aperture is for this lens? A old product broc hure suggests that it is close to the maximum 4.5 aperture. This is contrary to the usual "two stops down" rule. I...
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    Lanthar lenses

    A followup. My father owns a Voigtlander Apo-Lanthar that he purchased back in the 1950's. Very recently, I had the shutter serviced and the lens mounted on a Crown Graphic. We took some sample...
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    8,861

    Lanthar lenses

    I understand that the Apo-Lanthar is a variant of the heliar design wherein one or more elements (although I believe only the rear element) is made of lanthanum (rare earth) glass. This lens is...
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