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Condenser aperture-A small laser-bored gap within a flat strip of molybdenum put close to the condenser lens that can help to Restrict spherical aberration.+ Giá rất rẻ cho những loại giấy decal vỡ có chất lượng trung bình khoảng 20-30K/1mThe theoretical resolution explained by Abbe for The sunshine microscope may be modified