Microscope Adjustable Iris Aperture Diaphragm, 1.5-25mm Microscope Iris Adapter, Optical Diaphragm for Laboratory Microscope(SK25)

Specification: Item Type: Diaphragm SK25 Magnified Diameter: 1.5-25mm Material: Metal Outer Diameter :44mm Inner Diameter: 25mm Thickness :8mm 14 blades SK23 Outer Diameter: 37mm Minimum Aperture Diameter: ø1.5mm imum Aperture Diameter: ø23mm Material:Metal Thickness: 7.0mm 12 Blades SK12 Outer Diameter: 19.8mm Minimum Aperture: ø1mm imum Aperture: ø12mm Material: Metal Thickness: 5.0mm 10 Blades SK8 Outer Diameter: 14.8mm Minimum Aperture: ø0.8mm imum Aperture: ø8mm Material: Metal Thickness: 4.5mm 8 Blades SK6 Outer Diameter: 13.0mm Minimum Aperture: ø0.8mm imum Aperture: ø6mm Material: Metal Thickness: 6mm 8 Blades Package List: 1 x Diaphragm