產品名稱直徑厚度焦距有效直徑平行度(秒)光潔度球面中心差(毫米)鍺透鏡31102.6 40-200.03鍺透鏡2537522 40-200.03鍺透鏡2531002240-20 0.03鍺平方202.517 3040-20鍺平方25.412240-20鍺平方25.4322 3040-20鍺平方303.527 3040-20鍺平方35432 3040-20Monocrystallinegermanium(Ge):withdiameterfrom10mmto300mm,with various ofgauge、crystal,resistivity.theproductsmeetstandards-GJB2919-97 Normsofgermaniumusedininfraredoptical