Aperture Turret in Centerable Mount

Description

Aperture Turret in Centerable Mount..

This is a precision pinhole diaphragm turret complete with centerable mount and nine graded pinholes (lettered �A� through �H�) and one square aperture, lettered �J�. The size of the pinholes appears to range from approximately 1.75mm to 1.5mm. The square aperture is approximately 0.3mm on a side. All of these are very rough measurments.

Centration of the turret is accomplished via two Mitutoyo micrometer spindles reading to 0.01mm
Centration range is plus or minus 3mm
50mm diameter dovetail mounting flanges on both sides
Distance between outer flange faces is 32mm
Overall diameter of the black housing is 72mm

The apparatus is in very fine condition. The pinholes do not have any blemishes. The square aperture corners do appear to be slightly rounded. This is obviously a commercially made product but we were unable to discover who manufactured it.

Location MB 141.

Photo set 987.

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***MPN
***OEM Custom
***SKU*** DP540