Modelú¦ LSZ-6CP Detailed parameters Objective Grouped From Any Three Objectives of 1X, 2X, 3X and 4X Working Distance 1X-55mm 2X-81mm 3X-61mm 4X-57mm Wide Field Plane-Scope Eyepiece WF10X WF15X Optional Articulated Free Binocular Headú¼Interpupillary Distanceú¦55-75mmú¼45¿¼ Inclinedú+ Illuminationú¦Top/ Bottom Lightú¦12V/10W Halogen Lampú¼ with ¿¬95mm Frosted Glass Stage Plate Rack and Pinion Coarse Focusing Mechanism With Slip Clutch and Tension Adjustment Net Weight/Set 2.4kg Packageú¦4 Sets/Carton61X35X36cm Gross Weight/Cartonú¦11kg