Samsung gx-1 User Manual (en)

Attaching the Lens
ƈ Only D-XENON lens can be used with this camera. 
1. Check that the camera is off.
2. Remove the body mount cover (ڹ) and lens mount cover (ں).
Be sure to put the lens down with the lens mount side facing
upward to damage.
3. Align the red dots on the camera and the lens, and secure by
turning the lens clockwise until it clicks.
After attaching, check that the lens is secure. Also check that
the red dots of the lens are on top and attachment portion does
not move sideways.
ƃ Turn the camera off before attaching or removing the lens to prevent unexpected lens movement.