AmScope Stereo Microscope Focus Block with 76mm Collar, 32mm Tube Mount, Lamp Slot

This ZM series focus rack is for major brand stereo microscopes like AmScope Olympus, Nikon, Zeiss, Leica, etc. It comes with ball bearing and 3" (76mm) diameter of annular ring that holds microscope head.

Features & Specifications:

• Brand new focus rack with ball bearing
• Focus gear with coarse focus and tension adjustment
• Diameter of annular ring holding microscope head: 3" (76mm)
• Diameter of opening for stand post (arbor): 1-1/4" (32mm)
• Distance between central line of annular hole and that of microscope body: 5-1/2" (140mm)
• Focusing distance in vertical direction: 2" (50mm)
• Shipping Weight: 4 lbs
• Manufactured under ISO 9001 Quality Control Standard