Condenser aperture-A small laser-bored gap within a flat strip of molybdenum put close to the condenser lens that assists to Restrict spherical aberration.Toggle navigation M?u s?n ph?m M?u cúp pha lê M?u cup pha lê m?i nh?t M?u bi?u tr?ng pha lê M?u h?p ??ng r??u cao c?p M?u h?p ??ng quà t?t 2023 M?u túi ??ng quà t?t 2023 M?u khung b?ng khe