1. Paired Sliding Objectives 1X,or 2X,or 3X,or 4X for Selecting 2. Working Distance: 1X-55mm,2X-81mm,3X-61mm,4X-57mm 3. Wide Field Plane-Scope Eyepiece: WF10X,(Optional: WF15X ,WF20X) 4. Total Magnification: 10X,or 20X,or 30X,or 40X(15X,or 30X,or 45X,or 60X,or 80X) 5. Illumination: Top/ Bottom Light,Lamp Optional Halogen Lamp 6V/20W ,incandescent lamp, LED Lamp with Rechargeable Deceive 6. WithØ95mm Frosted Glass Stage Plate |