Specifications:
New focus rack with ball bearing
Coaxial coarse and advantageous focusing
Diameter of annular ring preserving microscope head: 3" (76 mm)
Diameter of opening for stand publish (arbor): 32MM /25MM
One scale of good focusing: 0 mm
Rotating 360 diploma of coarse: 37 mm
Suit Microscope: zoom stereo microscope
Package Included:
1 x microscope concentration adjustment arm holder