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National Stock Number:
4931-01-331-9868
Federal Supply Class:
4931
National Item Identification Number:
013319868
Description:
COLLIMATOR,TELESCOPE
Detail:
A SMALL, TUBULAR ITEM UTILIZING AN EYEPIECE, CROSS HAIR RETICLE, AND AN OBJECTIVE LENS, TO ALIGN THE OPTICAL AXIS TO THE MECHANICAL AXIS OF A TELESCOPIC INSTRUMENT. IT DOES NOT HAVE THE VIEWING POWER OF A TELESCOPE. IT MAY HAVE TWO LIKE ITEMS SECURED IN A COMMON HOLDER FOR SIMULTANEOUS CHECKING OF A DUAL OPTICAL SYSTEM.
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Manufacturer Information:
| D-652-101 | 91141 | DAVIDSON OPTRONICS INC. |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | 5IN. APERTURE COMBINES IN AN 18IN. INSTRUMENT A 26 3/8IN. OPTICAL SYSTEM;THE SHORT COUPLED DESIGN AND THE MIDSECTION EYEPIECE MAKE IT POSSIBLE FOR ONE OPERATOR,WHILE VIEWING THROUGH THE EYEPIECE,TO ADJUST ON OR MORE MIRRORS WITHOUT HELP |
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