Aero Hexar?

Discussion in 'Large Format Cameras and Accessories' started by BainDarret, Feb 25, 2013.

  1. BainDarret

    BainDarret Subscriber

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    Hi All,

    I recently acquired this lens as part of a darkroom package deal.
    It is a 200 mm f/3.5 Rokuoh-sha Hexar Ser IIa.
    Made by the company that was to become known as Konica it was apparently made during WWII for Japanese aerial cameras.
    I couldn't find much on the net about it.
    Does anyone have one of these or used one on a 4x5 camera?
    It seems like a good candidate for use on a Speed Graphic if it could be attached to a lens board.
    It would be a tight fit as it would require a 70 mm opening.
    Any enlightenment would be much appreciated.
    I am attaching a photo of the front of the lens.

    Mike
     

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  2. Denis P.

    Denis P. Member

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    Can't help you with the lens itself, but it wouldn't be a problem to mount in on the Speed Graphic: I make lens boards for Aero Ektar lenses, and the diameter of the back of the Aero Ektar 178/2.5 lens is about 75 mm, so yours is narrower - no problems there (room to spare...) :smile:
    In order to mount the AE lens on the Speed Graphic, the "throat" of the front panel of the camera often has to be widened a bit (just 1mm or so...) - which means that the Speed Graphic opening on the front panel can take lenses with diameters of up to 73-74mm without any modification.

    Sure looks like an interesting lens to try on the Speed Graphic :smile:
     
  3. BainDarret

    BainDarret Subscriber

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    Thanks Denis P. for that very useful information.

    Mike
     
  4. E. von Hoegh

    E. von Hoegh Member

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    By the reflections, it looks like it might be a Tessar type and uncoated. You may like the effect it gives wide open for portraits, and stopped down to f:8-11 it should give nice sharp negatives. If it is a Tessar, that is. 200mm is a nice length for portraits on 4x5.
     
  5. BainDarret

    BainDarret Subscriber

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    Yes, it is uncoated.
    It was used to make images 11.5 cm x 16 cm.
    Great for 4x5 with movements and probably would cover 5x7 without movements.

    Mike