... .5x, ratio 1:6.5 Products detail description digital microscope (GX-L) 1.Specification:1)Zooming range of objectives:0.7x ... CCD or CMOS camera3)Working distance:95mm4)Boom stand:Model GX-I base plate, vertical pole Dia.25mm, length 220mm, size ... .5x0.525x-3.375x44mm2x0.5x0.7x-4.5x30mm digital microscope(GX-L)