猎人使用测距仪来判断与鹿群的距离。

The hunter used the ___rangefinder to determine the distance to the deer herd.

这款相机配备了先进的测距仪，可以快速对焦远处的物体。

This camera features an advanced ___rangefinder to quickly focus on distant objects.

狙击手使用测距仪来确定目标的精确距离。

The sniper used the ___rangefinder to determine the exact distance to the target.