Here's a superfly-based Z-depth map of a Vic4, lit by a 3 lights setup: on the right (front+back: area lights), on the left: an infinite light)

So that lead me to ask: do you have a spot/point light with no attenuation?

𝒫𝒽𝓎𝓁

---

(っ◔◡◔)っ

👿 Win11 on i9-13900K@5GHz, 64GB, RoG Strix B760F Gamng, Asus Tuf Gaming RTX 4070 OC Edition, 1 TB SSD, 6+4+8TB HD
👿 Mac Mini M2, Sonoma 14.6.1, 16GB, 500GB SSD
👿 Nas 10TB
👿 Poser 13 and soon 14 ❤️