Figure 1. 3D reconstruction under extreme illumination variation. We propose a method for 3D reconstruction from a set of images captured under strongly varying illumination. Our method recovers high-fidelity appearance details including specular highlights that prior state-of-the-artapproachescannotrecover(topbaseline: NeRF-Casting[47]withappearanceembeddings,bottombaseline: NeROIC[25]).