Microscope Adjustable Aperture, SK6 SK8 SK12 SK23 SK25 Microscope Iris Adapter, Optical Diaphragm for Microscope(SK12) industrial car voltage and FM frequency Size:1 m car voltage and FM frequency displayed on the LED screen medium and high moisture content and green 8mmMaximum Aperture: ø6mmMaterial: MetalThickness: 6mm8 BladesPackage List:1 x Diaphragm VARIOUS SPECIFICATIONS: We provides 5 kinds of aperture for you to choose from to meet different requirements
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