vertical track stand Focus mount without base microscope accessories
stereo microscope focusing rack bracket holder
Ball bearing focus system
Focusing Bracket Diameter 76MM mount microscope body
For track stand
focus mount track stand features
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 vertical angle.
track stand without base