... reducing lens for CCD or CMOS camera3)Working distance:95mm4Boom stand:base plate, vertical pole Dia.25mm, length 220mm, size of ... base plate: 316x306x16mm. Model GX-I base plate, vertical pole Dia.25mm, length 220mm ... , size of base plate: 380x260x20mm5)Optional eyepieces:0.35X, 1x, 1.5x, 2x ...