7 laser cutting optics, 2 of witch are for focusing i beleave and others are relfectors, one is solid copper with reflector.
all are new but need dust cleaned from them, thay are the wrong size for our machine. 4 made in usa 2 in singapore all are INFARED
ALL ARE SAME BRAND IIVI any qs ill send more pix if your interested.
the new ones we bought that accualy fit were 550 au each.
the machine we have is 1.5 kw.
keyword serch
laser lasser cutting burning, plazma co2 xyz cnc machining cad cam infa red infared