Teardown a Besteker Camcorder Full HD 1080P

Hi all, I have to re-solder the USB charging port. I need to remove the motherboard to do it properly. I have remove all visible and accessible screws, but I can’t figure out how to remove the assembly that keeps it all together at the lens’ end. I just tried to pry it open gently but I’m afraid applying more strength would break something. Nothing on the Internet for this model, so requesting help. I’ve read almost all the camcorder howtos on the site, but nothing looks like this one…

Model:

The assembly causing me trouble:

Thanks for helping if anyone has done this!