0.5X is a condensing glass with a working distance of 165mm.Increase the working distance, reduce the multiple, the multiple after use is *0.5Auxiliar..
0.7X Barlow lens for SM series stereo microscopes, extending working distance and field view of the microscope and cutting magnification power by 0.7 ..
YCS 100M 0.01mm Silver Flying Wire for Motherboard PCB BGA Soldering RepairFeatures:With tensile, not easy to break, suitable for mobile phone motherb..