Microscope Iris Adapter Aperture Adjustable Lens Optical Diaphragm for MicroscopeSK25 with Base

Feature: 1. Small apertures of different diameters are provided in the optical system to meet different light transmission requirements. 2. Change the Diameter of the aperture by the handle. 3. Metal material, reliable performance, durable. 4. We provides 5 kinds of aperture for you to choose from to meet different requirements. 5. Compact and practical design make the diaphragm works more stable. Specification: Item Type:Iris Diaphragm SK25: Magnified Diameter: 1.525mm Material: Metal Outer Diameter :44mm Inner Diameter: 25mm Thickness :8mm 14 blades SK23 Outer Diameter: 37mm Minimum Aperture Diameter: ?1.5mm Maximum Aperture Diameter: ?23mm Material:Metal Thickness: 7.0mm 12 Blades SK12 Outer Diameter: 19.8mm Minimum Aperture: ?1mm Maximum Aperture: ?12mm Material: Metal Thickness: 5.0mm 10 Blades SK8 Outer Diameter: 14.8mm Minimum Aperture: ?0.8mm Maximum Aperture: ?8mm Material: Metal Thickness: 4.5mm 8 Blades SK6 Outer Diameter: 13.0mm Minimum Aperture: ?0.8mm Maximum Aperture: ?6mm Material: Metal Thickness: 6mm 8 Blades. Package List: 1 x DiaphragmSmall apertures of different diameters are provided in the optical system to meet different light transmission requirements. Change the Diameter of the aperture by the handle. Metal material, reliable performance, durable. We provides 5 kinds of aperture for you to choose from to meet different requirements. Compact and practical design make the diaphragm works more stable.