The UNITRON™Z730 model 13235 features a trinocular zoom stereo microscope on boom stand, trinocular viewing head, 0.7x to 3.0x zoom range, inclined at 45°, 97 mm working distance, interpupillary distance adjustable from 52 to 75 mm, wf10x focusing eyepieces, 20 mm field of view, and bonder arm focusing mount.