
Interactive lab explains focus with an exploded camera lens
3.2M views · 15.6K likes · 9.6K saves · 1.0K reposts · Posted Sep 23, 2026 · 0:32 · Explainers
OUR NOTEAn 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.
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 sceneTHE PROMPT
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Indexed Sep 28, 2026, 8:28 AM · Views as of indexing. Video and post © their creator.