Opto Sigma

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Mini-Iris Diaphragms

Mini-Iris Diaphragms

A mini-iris holder is offered complete with the iris installed. It can be supplied either rod or base mounted. A clampable lever at the top can be rotated through 90 degrees to alter the iris aperture continuously from 1 to 12mm. The iris has hardened and blackened leaves.

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  Number
155-1660
155-1670
Clear Aperture (mm)Length (mm)TypeDimensions toleranceMaterialFinishOptical Centerline
1.0 - 12.0BsaeMetric±0.2mmAluminumBlack Anodized20mm
1.0 - 12.0PostMetric±0.2mmAluminumBlack Anodized20mm

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