... ,oceanography the ideal instruement,may supply unit application and so on scientific research unit .Features:1.Total Magnification:40X-400X2 ... brightness Complete Set of Instrument1. Main unit:1 sets2. 2.Eyepiece: 10X,16X (Pick out parts) 1 pair3. PLL objective: ... unit11.Halogen lamp:60V/20A (spare) 1 unitPick out partsEyepiece 20X,Objective 60X,Photo transform objective,Photography attachment, ...