Both Uses of
optic
in
No Easy Day
- My primary weapon that I used daily was a suppressed Heckler & Koch (H&K) 416 with the ten-inch barrel and an EOTech optical red dot sight with a 3X magnifier.†
p. 44.9 *
- I cleared and safed my weapon, switched off the optics, and packed it in its case.†
p. 272.9
Definitions:
-
(1)
(optic) relating to sight or light
-
(2)
(meaning too rare to warrant focus) meaning too rare to warrant focus:
More rarely, optics can be used as a noun to denote a lens -- such as is found in a microscope or camera.