An optical system consisting of two or more lenses secured within a cylindrical sleeve. It is the component of an optical instrument nearest the eye of the observer when sighting. The distance between lenses is maintained by an optical element spacer. It usually has focusing facilities and may include a reticle, filter, and/or diopter scale.
Classification: Military equipments not identified by kind
NSN 5945-00-836-6395
NSN 5930-01-660-4278
NSN 5960-00-720-0615
NSN 5960-00-361-8409
NSN 5998-01-328-8288
NSN 5855-01-125-9167
NSN 6150-00-288-4737
NSN 5950-01-053-5095
NSN 5920-01-140-1120
NSN 5985-01-094-6607
NSN 6105-01-552-3533
NSN 5895-01-476-2326