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
Prompt for Gemini nano banana: Golden hour portrait with tree shadows cast on wall. Subject in white blouse, warm highlights, soft tones. 85mm lens, f/2.2, ISO 200, 1/500s. Film look: Kodak Gold 200, nostalgic sunlight hue.