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Thread: Biogon 53mm image circle

  1. 30-Sep-2001, 20:19 #1
    Ashraf Nassef
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    Biogon 53mm image circle

    I need to know the image circle of the Biogon 53mm F. 4,5 How would it compare to more modern designs, any other information about this lens is appreciated.
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  2. 30-Sep-2001, 22:00 #2
    Jeff Scott
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    Biogon 53mm image circle

    From info that I have the image circle of the 53/4.5 Biogon is 115 mm diameter. It would work with medium format but not 4x5. The filter size is 67mm.
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  3. 1-Oct-2001, 10:39 #3
    Bob Salomon
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    Biogon 53mm image circle

    115mm far from what is needed for 4x5.

    The 55mm Apo Grandagon 4.5 covers 163mm as a comparison
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  4. 1-Oct-2001, 18:36 #4
    Ashraf Nassef
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    Biogon 53mm image circle

    Thanks Jeffrey, Thanks Bob.
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