The 75955 Dual Track Fiber Bundle is different from a 2 Track Fiber Bundle. It has two 0.92 mm diameter input bundles (instead of single fibers) composed of two 200 μm diameter fibers, which are brought together to form two vertically aligned slits at the common end. For MS260i™ and MS257™ Spectrographs.

75955双轨光纤束不同于双轨光纤束。它有两个0.92毫米直径输入包(而不是单一纤维)由两个直径200μm纤维,它们聚集在一起形成两个垂直对齐缝常见的结束。对于MS260i™和MS257™的光谱仪。