Interactive lab explains focus with an exploded camera lens
3.2M views·15.6K likes·9.6K saves·1K reposts·Posted 23 Sept 2026 · 0:32 · Explainers
Our note
An interactive explainer where dragging a focus ring moves the glass elements of an exploded 3D camera lens and shifts the plane of sharp focus across a scene, built in one shot over about 90 minutes for roughly $26 in API cost.
The creator’s post
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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