coarse knob fine focus rack 76mm 32mm focusing mount to hold microscope head

Stereo Microscope Focus Rack 76mm 25mm coarse focus and fine adjustment knob

stereo microscope focusing rack bracket holder
Ball bearing focus system
Focusing Bracket Diameter 76MM mount microscope body
Column Hole Diameter 25MM for pillar post
Fine adjustment accurary 0.02mm

1. Industry focus arm
2. With bind institution of industry.
3. Plane focus arm,Focused by rack and pinion w/ball bearing guide.
4. To view objective in any angle.


Bracket stand

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