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  1. H

    Zeiss Diascope 85 T* FL year of manufacture

    Joker, I notice that the center column is a little extended in your photo. That should be avoided if possible. Henry
  2. H

    Zeiss Diascope 85 T* FL year of manufacture

    I have one of these old Zeiss zooms. Even when the eyepiece is not on a scope I can easily see all sorts of detritus: specks, flecks, fibers and bubbles or droplets at the 20x setting. That's because at that setting one of the moving internal lenses moves close to the eyepiece field stop, or...
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