Condenser aperture-A little laser-bored hole inside of a flat strip of molybdenum placed close to the condenser lens that can help to limit spherical aberration.Chi ti?t D?ch v? in tem mã v?ch ch?t l??ng t?i X??ng In Nhãn Mác D?ch v? in tem mã v?ch ch?t l??ng t?i X??ng In Nhãn Mác?ây là dòng s?n ph?m in decal kh? l?n ???c s? d?ng nhi?u nh?