A-A-51901
30 March 1987
COMMERCIAL ITEM DESCRIPTION
MAGNIFIER
The General Services Administration has authorized the use of this commercial item description in preference to Federal Specification GG-M-95A as it applies to Type III, Class C magnifiers.
This commercial item description covers one type of hand held magnifier.
Salient characteristics:
The folding magnifier shall be a folding, pocket-type magnifier consisting of three round lenses cemented together. Lenses shall be mounted in a plastic or hard rubber frame of sufficient strength and hardness as to protect the lens from damage. Magnifier shall be attached to a metal case which shall permit the lens to swing in and out.
Lens shall be fabricated of ophthalmic quality crown glass free from striae or green tint. Lens shall be highly corrected for spherical and chromatic aberration and shall have a wide view angle.
Lens shall have a nominal diameter of ½ inch ± 1/16 inch, a magnifying power of 14 and a focal length of 13/16 inch. A tolerance of 10 percent shall be applicable to the magnifying power and focal length.
Metal case shall be fabricated of metal suitably protected against corrosion.
Plastic used in the lens frame shall not warp or change shape when exposed to temperature varying from room temperature to 1400 F and relative humidities varying from zero to eighty-eight percent.
Workmanship. The magnifier shall be free from defects which detract from its appearance or impair its serviceability.
Unit. Each (EA). Onemagnifier, as specified, constitutes one unit.
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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