Claude Opus 5.5 builds an interactive lens lab in one 1h26m shot for $25.66
nikola_mr64990 · x · 2026-10-05
A developer asked Claude Opus 5.5 to explain camera focus by building an interactive lens lab, and the model delivered a working site (lens.lab.sael.net) in one 1h26m shot costing $25.66 in API credits.
The site visualizes:
- Plane of focus: drag the focus ring and watch a glowing focus plane sweep through the scene while glass elements shift inside the barrel
- Aperture: switch between f/2, f/5.6 and f/16 to see how the circle of confusion changes and depth of field grows — explaining why landscapes get f/11 and portraits f/2
- Exploded view: press X to disassemble the lens and inspect the glass elements
- Accompanying text covers focus planes, circle of confusion, lens movement logic, and inverted projection
It's a striking demo of using a single prompt to get an interactive visualization plus a full lesson, following the author's earlier cube graph and model monster sites.
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