VanGuard Stereo Microscopes feature a zoom magnification range of 7X to 45X (w/ 10X eyepieces). The precision stereo optics produce high-resolution, three-dimensional images. Models 1271ZL and 1272ZL feature long-lasting upper and lower LED illumination. 1200ZP models feature a solid, stainless-steel pole with 100mm vertical travel. 1200ZB models feature a durable boom stand allowing 415mm of horizontal travel and 300mm of vertical travel and a solid base that requires no counterbalance. Optional eyepieces and supplementary lenses are available to customize any model for specific magnification requirements.