Feature:
Focusing construction
Connectiong objective: DIA 50mm
Connectiong pillar: DIA 25mm
Center distance:140m
Easy Large-Sized Focusing Knobs on Both Sides of Focusing Holder.
Steel Gears on Focusing Holder.
Standard Size Focusing Holder - Will Fit Scope Heads with Diameter of 50mm
Packing including:
1 x Microscope Adjusting Bracket