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Testing 6 focal lengths in AI image prompts: 18mm vs 135mm

I’ve been experimenting with how focal length instructions affect AI-generated portraits. One issue I’ve noticed is that simply adding “shot on an 85mm lens” doesn’t always produce the expected result. AI models often interpret lens specifications loosely. So I tried a more controlled approach: kee…

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  1. 2026-10-28 06:21 · r/PromptEngineering
    Testing 6 focal lengths in AI image prompts: 18mm vs 135mm

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