FD Min Max AP microscope Lens 34230

1PC Adjustable 4-60mm Mechanical Iris Aperture Diaphragm for Microscope/Camera

New Set Achromatic Objective Lenses DIN 4X-10X-40X-100X FotoHigh

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

12.5x 25x 50x micorscope objective lens for RMS 34245

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

Optical Iris Diaphragm 1-16mm Manual Aperture Condenser for Camera Microscope

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