AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot

This is a heavy-duty pin-tail focus rack for major brand stereo microscopes. It comes with a 3" (76mm) diameter of annular ring that holds microscope head.

Features & Specifications:

• Brand new heavy-duty pin-tail focus rack
• Good for major brand stereo microscopes
• Focus gear with coarse focus and tension adjustment
• Diameter of annular ring holding microscope head: 3" (76mm)
• Diameter of the pin tail: 5/8" (16mm)
• Focusing distance in vertical direction: 1-3/8" (35mm)
• Shipping Weight: 4 lbs
• Manufactured under ISO 9001 Quality Control Standard