Top Seller｜AmScope FR-A1-B Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Lamp Slot in Black｜ Other Products

This is a focus rack for major brand stereo microscopes like 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
Brand:AmScopeCategory:AccessoriesSKU:FR-A1-BTags:Active_status, badge--New!, Category_Focusing_Block, Category_Microscope Parts & Accessories, Category_New Products, Collar Diameter|76mm, Include-in-promotion, Included_BMSM, mounting size m|Microscope Head-76mm, pfs:label-New!, type|Focusing Rack-Pillar