Product Description
This is a compact multi-element objective, probably for use in machine vision. The dimensions of the barrel include
Overall length 16.2mm
Larger diameter 14mm
Smaller diameter 11mm
Length of smaller diameter 12.3mm
Larger objective aperture 8mm
Smaller lens aperture 5mm
Focal plane lies 3mm behind rear of housing
The elements do have a Mg Fl coating. Lens appears to be in perfect condition (spots in second image are dust particles from the tissue in which it had been wrapped).
Photo set 1778