Leica M520 OH3 Microscope

The Leica OH3 surgical microscope system, typically paired with the Leica M520 optics, is a versatile and reliable platform used in neurosurgery, spine, ENT, and other microsurgical specialties. The OH3 floor stand offers smooth, motorized movement, extended reach, and exceptional mechanical stability, making it ideal for complex procedures that require precise visualization and ergonomic control. With Leica’s proven optics and the OH3’s robust mechanical design, this system provides outstanding performance in high-demand surgical environments.

Key Features and Benefits

• Leica M520 APO Optics: Delivers crisp, high-resolution images with excellent depth of field and true color reproduction using apochromatic lens technology.
• Electromagnetic Braking System: Allows effortless repositioning of the microscope head with precise, stable holding in any position.
• Long Reach Arm Design: The OH3 stand provides excellent overhead reach and articulation, making it suitable for varied surgical positions and room layouts.
• Motorized Focus and Zoom: Footswitch-controlled adjustments help maintain a sterile field while improving workflow efficiency.
• Bright Xenon Illumination: Integrated coaxial Xenon lighting provides bright, uniform illumination, even in deep surgical cavities.
• Optional Assistant Scope: Supports co-observation and collaboration during complex procedures.
• Video Integration Ready: Compatible with analog and digital camera systems for recording, teaching, and live case streaming.
• High Payload Capacity: Designed to support the weight of multiple accessories, including camera systems, assistant scopes, and recording devices.

Specifications

• Magnification: 6:1 motorized zoom
• Working Distance: 200 – 450 mm (variable depending on objective lens)
• Eyepieces: 10x widefield (12.5x optional)
• Focus Range: Motorized ±25 mm
• Light Source: 300-watt Xenon lamp with backup light module
• Stand Type: OH3 floor stand with overhead extension and electromagnetic brakes
• Weight: Approx. 600–700 lbs with full system
• Camera Compatibility: C-mount and HD video output options available
• Optional Accessories: Assistant binoculars, footswitch, beam splitter, video integration

Clinical Applications

The Leica OH3 microscope system is suited for a wide range of surgical specialties:

• Neurosurgery: Delivers deep-field visualization and stability for brain tumor resections, vascular microsurgery, and cranial procedures.
• Spinal Surgery: Ideal for both anterior and posterior approaches, especially in minimally invasive spine techniques.
• ENT Surgery: Precision movement and clear optics aid in sinus, otologic, and skull base procedures.
• Plastic and Reconstructive Surgery: Provides enhanced visualization for microvascular flap and nerve repair work.
• Teaching and Documentation: Video output and assistant scope options make it a strong choice for academic and surgical training centers.

Why Choose the Leica OH3?

The Leica OH3 microscope system offers the perfect balance of advanced optics, mechanical reliability, and workflow versatility. Whether performing neurosurgical procedures or high-precision ENT work, its long reach, smooth articulation, and dependable optical clarity help surgeons operate with confidence. Backed by Leica’s history of excellence in surgical visualization, the OH3 remains a trusted choice for multidisciplinary ORs.