The X-Cite® 200DC fluorescence microscopy illumination system offers the ultimate combination of optical performance, short term stability and a built-in fast shutter. With the convenience and superior illumination uniformity found in all X-Cite systems, the X-Cite 200DC?s intuitively easy-to-use design also includes light guide auto-detection to ensure optimized light coupling - every time. Novice and experienced microscopists will enjoy the flexibility provided by the smooth 0-100% intensity adjustment and expanded spectral range of this advanced DC stabilized fluorescence light source.