Frequently Asked Questions

The C5 Mounted Metal Foil Pinhole Aperture is made from 3mm copper foil, blackened on one side and fitted into a mount.

The aperture diameter in the C5 model is 0.005mm (5μm).

The tolerance level for the C5 aperture diameter is +/-0.5μm.

The mount for the C5 aperture is made from black anodised aluminium.

The available mount diameters for the C5 aperture are 12.7mm, 16mm, or 25mm.

To specify the mount diameter when ordering, add the mount diameter after the order code, for example, /25 for a 25mm mount.

Yes, other aperture sizes in the series include diameters of 0.001mm, 0.002mm, 0.01mm, 0.025mm, 0.05mm, 0.1mm, 0.25mm, and 1.0mm.

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