Simon Willison’s Weblog

Cameras and Lenses (via) Fabulous explotable interactive essay by Bartosz Ciechanowski explaining how cameras and lenses work.

Posted 8th December 2020 at 3:38 am

Recent articles

GPT-5: Key characteristics, pricing and model card - 7th August 2025
OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025

photography 20 explorables 26

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