In the realm of photography and videography, there are various terms to describe different techniques and effects. When it comes to manipulating light and shadows, professionals often refer to the concept of "SUB HDR". However, there are several synonyms that can be used interchangeably with this term. Some alternative expressions for "SUB HDR" include "underexposed high dynamic range", "shadow-rich high dynamic range", or simply "low-key high dynamic range". These synonyms indicate the process of capturing a scene with a wide range of tonalities, particularly emphasizing darker areas while maintaining detail in both shadows and highlights. It's essential to understand these synonyms to enhance one's understanding of photographic techniques and their applications.