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National Stock Number:
6760-00-527-0009
Federal Supply Class:
6760
National Item Identification Number:
005270009
Description:
LENS,PROJECTION
Detail:
THIS LENS IS DESIGNED FOR USE AS AN OBJECTIVE LENS IN MOTION PICTURE, FILM STRIP, OPAQUE, SLIDE, AND OVERHEAD PROJECTORS. IT WILL BE USED AT FINITE MAGNIFICATION AND WILL HAVE A FLAT FIELD. THIS TYPE OF LENS USUALLY DIFFERS FROM A LENS (3), ENLARGER, IN THAT IT IS FASTER, COVERS A SMALLER FIELD OF VIEW, AND HAS LESS CORRECTION OF ABERRATIONS.
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Manufacturer Information:
| 15931 | 06650 | BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES | | MILSTD150 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BASE MOUNTING TYPE | SLEEVE | | CARRYING CASE | NOT PROVIDED | | DIAPHRAGM | NOT INCLUDED | | FIELD VIEW COVERAGE | 16 MM SINGLE FRAME SIZE OF FILM COVERED | | FOCAL LENGTH CONVERTIBLE FEATURE | NOT INCLUDED | | MOUNTING PROVISION | BARREL | | NONDEFINITIVE SPEC/STD DATA | 7 TYPE | | OVERALL DIAMETER | 1.969 INCHES NOMINAL | | OVERALL LENGTH | 5.8125 INCHES NOMINAL | | LENS BOARD | NOT INCLUDED | | LENS FOCAL LENGTH | 4.000 INCHES NOMINAL | | LENS SPEED CONVERTIBLE FEATURE | NOT INCLUDED | | LENS SPEED FOR WHICH DESIGNED | F/2.5 RELATIVE APERTURE SPEED | | MOUNTING CHARACTERISTIC | MOUNTED | | PERFORMANCE TYPE | ANASTIGMAT |
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