Maybe it’s too late for your lens problem. The first link shows a table of the links compatibles.
https://www.fujinonbroadcast.com/pdf/SonyXDCamBrochure.pdf
Here you can obtain the camera-lens.pdf file
https://www.umlib.com/brand/Panasonic/category/Camcorders/model/AG-DP800
“brand:Panasonic
category:Camcorders
file name:camera-lens.pdf
size:904.73 KB
pages:11”
Greetings from Spain
Carlos