National Stock Number:
6760-00-406-4017
Federal Supply Class:
6760
National Item Identification Number:
004064017
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.
|