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 Anti-Static Double-Ended Brush for Motherboard Hard Disc IC CleaningFeatures:YCS cleaning double-ended brush, cleaning hard drive motherboard circ..