Accession Number : AD0878266

Title :   Night Covert Image Amplifier Photography.

Descriptive Note : Technical rept. May-Jun 70,

Corporate Author : SYSTEMS RESEARCH LABS INC DAYTON OH

Personal Author(s) : Hubbard, Ronald N.

Report Date : NOV 1970

Pagination or Media Count : 36

Abstract : The report presents the results of a program conducted to directly compare the resolution-energy characteristics of active covert (700-900 nm) infrared photography with 5424 infrared film to that of an image intensifier coupled to selected films. It is shown that the intensifier camera can produce equal or better resolution (35-40 lp/mm) with approximately 1/7 the energy. If a moderate reduction in resolution (to 20 lp/mm) is tolerable, the energy requirements can be satisfied with 2 1/2% the level required for direct infrared film photography. The ability to calculate and predict the resolution and corresponding energy requirements of an image intensifier camera in the field is also demonstrated. (Author)

Descriptors :   *IMAGE INTENSIFIERS(ELECTRONICS)), *INFRARED IMAGE TUBES), (*NIGHT PHOTOGRAPHY, (*INFRARED PHOTOGRAPHY, RESOLUTION, TEST METHODS, INFRARED FILM.

Subject Categories : Photography

Distribution Statement : APPROVED FOR PUBLIC RELEASE