Biogon 53mm image circlegreenspun.com : LUSENET : Large format photography : One Thread
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.
-- Ashraf Nassef (firstname.lastname@example.org), September 30, 2001
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.
-- Jeffrey Scott (email@example.com), September 30, 2001.
115mm far from what is needed for 4x5.
The 55mm Apo Grandagon 4.5 covers 163mm as a comparison
-- Bob Salomon (firstname.lastname@example.org), October 01, 2001.
Thanks Jeffrey, Thanks Bob.
-- Ashraf Nassef (email@example.com), October 01, 2001.