i4 Infinity 4 Objective Microscope The i4 modular series microscope features exceptional optical quality and expandability for top-notch performance in the lab. Use the rotating head to adjust the height for taller users. Infinity Plan and Semi-Plan optics with a 30-year anti-fungal coating match quality with value within any clinic’s budget. With cool, long-life LED illumination, the i4 Infinity microscope is the perfect choice for durability, dependability, and superior imaging in the laboratory. Choose from multiple options.