Photo 1 of Adjustable Iris Aperture Diameter 8mm-68mm Iris Diaphragm Optical Diaphragm for Microscope Iris Adjustable Lens(SK68)

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Photo 1 of Adjustable Iris Aperture Diameter 8mm-68mm Iris Diaphragm Optical Diaphragm for Microscope Iris Adjustable Lens(SK68)Photo 2 of Adjustable Iris Aperture Diameter 8mm-68mm Iris Diaphragm Optical Diaphragm for Microscope Iris Adjustable Lens(SK68)