clipped it with a screw (maybe I will drill a hole later) https://i.imgur.com/hTPltsg.png
https://aliexpress.ru/item/1005003920063350.html - this is the endoscope (the seller gives $1-2 coupons occasionally)
the module itself - easy to disassemble, but hard to unglue the camera from the main board not breaking it, I did it with a syringe needle under microscope.
The lens I used is #4 on this picture.
