Keep the model context, then adjust subject, style, lighting, camera angle, and output ratio before remixing.
Replace vague nouns with concrete subjects, locations, colors, materials, and mood words.
Run one strong version first, then iterate only the parts you want to change.
Prompt
A black and white portrait of an elderly bearded man, frontal shot, deep eyes, lined with fine wrinkles, strong natural light from one side, high resolution, very realistic photo style.