Interactive Camera Lens Lab
Ryan Sael
@RyanSael · 7.6K followersTurn a focus ring and watch real glass elements shift a sharp focal plane through a 3D scene — this is Claude Opus 5.5 explaining camera optics by building the thing itself. Ryan Sael gave it one shot and walked away 1 hour 26 minutes later with a fully working interactive lens simulator for $25.66 in API costs. The physics of depth-of-field clicks immediately when you can drag it yourself rather than read about it.
- Built in a single prompt session — 1h 26m runtime, $25.66 API cost, zero hand-holding
- Dragging the focus ring animates the internal glass elements and shifts the plane of sharpness through the scene in real time
- A rare case where an AI explains a concept by constructing a working physical model of it
“I asked Opus 5.5 to explain camera focus by building an interactive lens lab Here's what it came up with after 1 hour 26 minutes in one shot, $25.66 API cost https://lens.lab.sael.net Move the focus ring and you can see the glass elements shift the sharp plane through the scene”
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