Nikon D3100 Lens Mounting Ring Reseating/Replacement

  • Step 1 Lens Mounting Ring

    • Remove the 6 Phillips screws on the front of the lens mounting ring.

  • Step 2

    • Carefully lift the mounting ring straight up.

    • Three unfastened metal plates lie under the lens mounting ring, be very careful lifting it up as to not disturb them.

  • Step 3

    • Reseat or replace the lens mounting ring and reassemble.

    • The locating pin on the right of the camera will help place the mounting ring properly.

    • The small metal plates marked in the image are not fastened and may displace if the camera if tipped or bumped. Be sure these are properly in place before reassembly.