These microscopes feature ideal specifications for diagnostic and educational use in medical/veterinary clinics, universities, and industrial laboratories. All models feature 10X WideField eyepieces, achromatic or plan achromatic objectives (DIN), 1.25 N.A. Abbe condensers, coaxial focusing controls, mechanical stages with drop-down X-Y controls, 20W/6V variable quartz halogen illumination. Monocular, binocular, or trinocular heads. Available in Brightfield or phase contrast configurations. Phase models feature true Zernike condensers. 5-Year warranty.