STEREO MICROSCOPE STEREO MICROSCOPE Objective:Grouped From Any Two Objectives of 1X,2X,3X and 4X,Working Distance:90mmWide Field Plane-Scope Eyepiece:WF10X,WF20X(Optional)Total Magnification:10X-20X,or 10X-30X,or 10X-40X,or 20X-30X,or 20X-40X,or 30X-40XArticulated Free Binocular Head,Interpupillary Distance:55-75mm45º Inclined,360º RotatableNatural Light For Illuminating Gathered By Ø90mm Black- ...