A Special Method of Transferring Information on the Basis of Inner-Picture Development

  • W. Högner
Conference paper


In most cases it is not possible to transfer all information contained in a photographic negative to a paper print. Normally one can transfer a density ratio of 1:30, but astronomic sky photographs have a density ratio of up to 1:10000.


Hydrochloric Acid Medium Study High Contrast Density Ratio Central Institute 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • W. Högner
    • 1
  1. 1.Karl-Schwarzschild-ObservatoryAcademy of Sciences of the GDR, Central Institute of AstrophysicsTautenburgGDR

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