Follow these steps to attach the DL 50mm F2.8 LS ASPH Lens to your aircraft:

1. Toggle the lens locking lever to the unlocked position, then press and hold the lens release button while rotating the camera body cap to detach it.

2. Remove the lens cap and rear cap.

3. Align the red dots on the camera and the lens, then insert the lens into the camera body.

4. Rotate the lens clockwise until you hear a click, then rotate it counter-clockwise to ensure it is firmly attached.

5. Toggle the lens locking lever to cover the orange line on the camera, securing the lens in place.