0.5-15MM Diameter Digital Camera Microscope Adapter Zoom Optical Iris Diaphragm

SK12 Microscope Iris Adapter Aperture Adjustable Lens Optical Diaphragm Parts

1.2-18mm Mechanical Diaphragm Adjustable Iris Integrated Aperture StopMicroscope

1.8-22mm Adjustable Manual Zoom Iris Aperture Diaphragm for Camera Microscope

1.5-25mm Adjustable Iris Diaphragm Aperture for Optical Microscope Camera Laser

Adjustable Diaphragm Mechanical 1-12mm Iris Aperture Microscope Camera Module

1-29mm Zoom Optical Iris Diaphragm Digital Camera Microscope Adapter Aperture

2-28mm Camera Lens Aperture Iris Diaphragm Manual Adjustable Aperture Microscope