Learning

An interactive lens lab that shows how camera focus works

Asked to explain camera focus, Claude Opus 5.5 built it in one shot over 1 hour 26 minutes for $25.66 in API cost. Turning the focus ring moves the glass elements and shifts the plane of sharpness through the scene.

Made with

Claude Opus 5.5

Links

lens.lab.sael.net

Posted

23 September 2026

Ryan Sael@RyanSael

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
t.co/uqDgUs8H9h

Move the focus ring and you can see the glass elements shift the sharp plane through the scene

23 Sep 2026View on X