23.2--30.0mm Eyetube Adapter for Stereo Microscope Long WD

Specifications: Model: A94300L Material: metal with rubber ring Mount size to microscope eyepiece tube (adapter outer size): 30.0mm in diameter Mount size to USB camera (adapter inner size): 23.2mm in diameter Compatibility: fit zoom binocular stereo microscopes (Model number: M421 & M428) Tube depth: 36.0mm Weight: 18g