6760-01-483-0988 HOLDER,FILTER,PHOTOGRAPHIC Index 5821-01-483-0990 FILTER,NEUTRAL DENSITY

National Stock Number:
5821-01-483-0989

Federal Supply Class:
5821

National Item Identification Number:
014830989

Description:
FILTER,NEUTRAL DENSITY

Detail:
A LIGHT FILTER WHICH REDUCES THE INTENSITY OF THE LIGHT WITHOUT CHANGING THE RELATIVE SPECTRAL DISTRIBUTION OF THE ENERGY.


Manufacturer Information:
H5370697197EDMUND OPTICS, INC


Techincal Specification:
DENSITY RATING2.00
LIGHT TRANSMISSION RATING IN PERCENT1.0
OVERALL LENGTH75.0 MILLIMETERS NOMINAL
OVERALL THICKNESS0.1 MILLIMETERS NOMINAL
OVERALL WIDTH75.0 MILLIMETERS NOMINAL
MATERIALGELATIN
PART NAME ASSIGNED BY CONTROLLING AGENCYKODAK WRATTEN NEUTRAL DENSITY FILTER
SPECIAL FEATURESUSED TO REDUCE LIGHT INTENSITY ACROSS THE VISIBLE SPECTRUM WITHOUT ALTERING THE SPECTRAL PROFILE; MANUFACTURED BY DISSOLVING COLLOIDAL CARBON WITH SPECIALIZED DYES IN A GELATIN MATERIALTO ACHIEVE A DESIRED NEUTRAL DENSITY PERFORMANCE; THE GELATIN LIQUID AND DYECOMBINATION IS THEN COATED ONTO A SUPPORTIVE SUBSTRATE UNTIL IT HAS DRIED; AFTER REMOVAL FROM THE SUBSTRATE THE FILM IS COATED WITH LACQUER FOR PROTECTION
VIEWING SURFACE OVERALL HEIGHT75.0 MILLIMETERS NOMINAL
VIEWING SURFACE OVERALL THICKNESS0.1 MILLIMETERS NOMINAL
VIEWING SURFACE OVERALL WIDTH75.0 MILLIMETERS NOMINAL
SUPPLEMENTARY FEATURESHUMID STORAGE ENVIRONMENTS CAUSE THE FILTERS TO CLOUD AND TEMPERATURES SHOULD NOT EXCEED 50 DEG C FOR EXTENDED PERIODS


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