The performance of silver halide as a detector is reviewed with respect to theoretical limits, and sources of inefficiency are identified. A brief comparison is made with electronic sensors, focusing on the requirements of astronomical imaging.
D. L. Jeanmaire,
"Progress In Photographic Imaging", Proc. SPIE 0702, International Topical Meeting on Image Detection and Quality, (18 May 1987); doi: 10.1117/12.966736; https://doi.org/10.1117/12.966736