Products Catalogs & Keywords:
Portable Cordless Metallurgical Microscope 40x-400x
Long Working Distance Plan Objective 4x, 10x, 40x Standard
LWD Plan Objective (No Cover Glass) 20x, 50x, 60x, 80x, 100x Optional
Magnet Stand, X/Y Moving Range 10x10mm Optional
3 Holes Nosepiece With Coaxial Coarse & Fine Focusing Knob
more details: https://www.optoedu.com/portable-metallurgical-microscope-opto-edu.html