Iris mechanism

Mechanical Iris Box: This instructable will show you how to make a box lidded with a mechanical iris. I originally made the mechanical iris as a prototype for a different project, but the prototype ended up working nicely and I didn't want to waste it. I had an old clea…

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Iris Diaphragms

Make an iris diaphragm out of craft materials found around the home. This step-by-step guide will help you build a functional cardboard mechanical iris.

Iris mechanism with 5 leaves

Make an iris diaphragm that can close completely. This post explains how the dual-plane iris design achieves a fully closing mechanical iris.

The intensity of the light transmitted by a photographic lens is controlled by the iris diaphragm or stop which is usually an approximately circular aperture.

Need help about understanding a shutter diaphragm mechanism (modeling)

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