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
Canon camera, 85mm prime lens, generate the effect of gradually changing apertures at 1.8F, 2.8F, 10F, and 14F, featuring a gentle beautiful woman as the model, with the background being the blue hour of the city after dusk.