Telescope

Binoculars are a gadget in Battlefield series which appear in:
 * Battlefield 1942 at the Scout kit
 * Battlefield Vietnam at the Assault kit

The Binoculars in Battlefield 1942 and Battlefield Vietnam are used to send coordinates to the players using the artillery tanks and cannons. By pressing the fire button the player enables those who are using the artillery to see the target from their perspective with the elevation bar on the side and angle bar on the top to aim the shots precisely.

Trivia

 * Because of complicatic procedure the binoculars aren't popular, but are in use to spot targets.