SZM-100 offer users the most extended zoom range of any such instrument, along with modularity, comfort and ultra-high performance microscope optics. Ergonomics stand with accessible,responsive zoom controls makes operation easier & less fatiguing than ever before. Large focussing knobs and ball guide mecanism provide a smooth focussing throught the working range. Dual light stand combining bright transmitted & incident illumination provides an evenfield of illumination.