Zeiss Biogon

Biogon is a trademark of Carl Zeiss for a series of photographic camera lenses (including camera lenses ). Biogone are typically wide-angle lenses.

The first Biogon (2,8 / 3,5 cm, unbalanced) was in 1935 by Ludwig Bertele, then optics designer at Zeiss Ikon Dresden, created for Contax as a modification of the then Sonnars. It was designed by Carl Zeiss in Jena until about 1949, then made ​​a recalculation in Oberkochen. 1951 new Biogon with 90 ° angle ( super wide angle) was also calculated by Ludwig Bertele for Carl Zeiss, which opened the way to extreme wide- angle lenses. (PDF, 820 kB) as the 4,5 / 21 mm for Contax, 1954, 4.5 / 38 mm were manufactured from 1952 to Hasselblad Superwide, and from 1955 and 1956, 4.5 / 53 mm and 4,5 / 75 mm for Linhof.

Since then, it's a mostly approximately symmetrical wide angle design with a usable field of view of the part above 90 °. At 90 °, the focal length is about half as long as the format diagonal.

Well-known manufacturers such as Hasselblad camera lead, Alpa and Linhof and led Biogon lenses in their lens range.

The lenses of the type Super - Angulon (Schneider Kreuznach, Leitz ) are based on the construction of the Biogons.

  • Biogon 1:2.8 f = 21 mm, 90 ° field of view (PDF file, 65 kB)
  • Biogon 1:4.5 f = 21 mm, T * Classic, 90 ° angle (PDF file, 282 kB)
  • Biogon 1:2.8 f = 25 mm, 82 ° field of view (PDF file, 292 kB)
  • Biogon 1:2.8 f = 28 mm, 75 ° field of view (PDF file, 182 kB)
  • Biogon 1:2.0 f = 35 mm, 63 ° field of view (PDF file, 266 kB)
  • Biogon 1:4.5 f = 38 mm CFi for Hasselblad ( medium format, PDF file, 166 kB)
  • Biogon 1:4.5 f = 53 mm image circle diameter 115 mm, for professional cameras with a size up to 6 x 9 cm
  • Biogon 1:5,6 f = 60 mm for Hasselblad ( medium format, including the Apollo moon mission, PDF file, 857 kB)
  • Biogon 1:4.5 f = 75 mm image circle diameter 153 mm, 92 ° angle, for Cameras up to max. 4x5 "
Zeiss Sonnar Angle of view Medium format (film) View camera
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