Radar Scope Photography<!--<xref ref-type="other" rid="fn1-10.5594_J12698">*</xref>-->
1947; Volume: 48; Issue: 5 Linguagem: Inglês
10.5594/j12698
ISSN0097-5834
Autores Tópico(s)Advanced Optical Sensing Technologies
ResumoThe color and persistance of the image formed on the P-7 tube, commonly used on radar sets presenting a map-type picture, make it necessary to employ different films and techniques in making still and motion pictures. Satisfactory motion pictures have been made on reversible Super XX film exposed through a No. 106 Plexiglas filter in a 16-mm camera equipped with a specially designed f/0.7 lens. — Good still pictures can be obtained on fine-grain panchromatic or orthochromatic films at f/3.5 without the use of filters, although the use of a blue filter improves definition by minimizing “ghost” images not yet completely faded from previous scans. — An automatic camera permitting the operator to view the tube while pictures are being taken has been devised.
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