Olympus CH30 Scopes
We have four of these

Coarse and fine focus; X-Y mechanical stage; bright wide-field optics:
   Turret holds four objectives:
      EA4 0.10    160/ -          Olympus Japan
      EA10 0.25  160/ -          Olympus Japan
      EA40 0.65  160/0.17     Olympus Japan
      EA100  1.25 oil  160/ -  Olympus Japan
   Two widefield high oculars (usable while wearing glasses):  NCWHK 10x/18L

Click on an image to see larger photo.

Oly2 Oly3