Focusing Aid.
An item consisting of a magnifying lens, a ground glass with centering lines, and a mirror. It is used to facilitate critical focusing of small areas of projected images, the image being reflected by the mirror upon the ground glass and viewed through the magnifying lens.
13.0 inches width, 10.75 inches length, ac/dc current type, 400.0 hertz frequency rating, aircraft reconnaissance specific use
13.0 inches width, 10.75 inches length, ac/dc current type, 400.0 hertz frequency rating, aircraft reconnaissance specific use
2.000 inches diameter, 1.781 inches length, not provided carrying case
Cover material: aluminum; front panel material: aluminun
Cover material: aluminum; front panel material: aluminun
NSN 5840-00-754-3400
NSN 5821-01-462-3938
NSN 5810-01-004-8989
NSN 5810-01-188-3938
NSN 5841-01-345-8167
NSN 7450-01-219-8366
NSN 5995-01-504-2467
NSN 5841-00-059-2518
NSN 5820-00-089-7882
NSN 6675-00-236-0005
NSN 1285-01-036-8182
NSN 7520-01-175-1569
Last modified 04/29/2024