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Up for sale is a very nice example of the LOMO (Leningradskoye Optiko-Mekhanicheskoye Obyedinenie/Leningrad Optical Mechanical Association) Kȹ4 (KF4) Phase Contrast microscope condenser in excellent condition.
This condenser features a 37mm mount diameter and features 4 PhaCo discs (10/20/40/90) as well as open pass-through.
Excellent vintage condition. Glass is all very clean, mechanics working, and aperture iris opens and closes correctly.
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