https://www.cnet.com/news/nasa-insight-lander-flexes-robot-arm-captures-new-mars-views/

InSight's arm-mounted camera caught this view of its seismometer and drilling instruments.

A fresh IDC image from Tuesday shows the arm and a stowed-away grapple. The copper-colored device is a seismometer that will hunt for marsquakes. The dome-shaped object behind it is a wind and thermal shield for the instrument.