psb to eps conversion is certainly possible using Photoshop and represents export of Photoshop (large) graphics documents (.psb) to EPS.
According the Internet some users struggle with export of very large files or high DPI, so if your export struggles, try to resize the file. Said that, EPS format is best for vector artworks and although it works for raster images as well, it might not offer the best performance. Also EPS files exported from Photoshop do not contain layers.
Updated: October 13, 2023