| Answer | Crossword Clue |
|---|---|
| sighting | Adjust the sight of (a firearm or optical instrument) |
| collimate | to make parallel; to adjust accurately the line of sight of (an optical instrument, such as a surveying telescope) |
| collimated | COLLIMATE, to make parallel; to adjust accurately the line of sight of (an optical instrument, such as a surveying telescope) |
| collimating | COLLIMATE, to make parallel; to adjust accurately the line of sight of (an optical instrument, such as a surveying telescope) |
| collimates | COLLIMATE, to make parallel; to adjust accurately the line of sight of (an optical instrument, such as a surveying telescope) |
| crosshairs | A pair of fine wires or lines crossing at right angles at the focus of an optical instrument or gun sight, for use in positioning, aiming, or measuring |
