ZTBH Microscope Accessories Kit 50-32mm Diameter Zoom Stereo Microscope Adjustment Coaxial Coarse Fine Focusing Holder Arm Microscope Head Holder Accessories Microscope Slides

Specifications:Focus rack with ball bearingCoaxial coarse and fine focusingDiameter of annular ring holding microscope head: 3" (50 mm)Can be converted to 50MM with an adapterDiameter of opening for stand post (arbor): 32MOne scale of fine focusing: 0.002 mmRotating 360 degree of coarse: 37.7 mmSuit Microscope: zoom stereo microscopePackage Included:1 x microscope focus adjustment arm holder( 50-32).Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.

• Model Number: Fine Focusing Holder Arm; Focus rack with ball bearing.
• Diameter of annular ring holding microscope head: 3" (50mm) Diameter of opening for stand post (arbor): 32MM.
• One scale of fine focusing: 0.002 mm; Rotating 360 degree of coarse: 37.7 mm; Suit Microscope: zoom stereo microscope.
• Professional and practical design with beautiful appearance, easy to carry and use.
• Usually used in laboratories, schools, teachers, sample observation, eyepiece protection, etc.