ACCU-SCOPE’s EXC-400 is specifically designed to meet the demands of today’s clinical laboratories. The EXC-400 delivers both in performance and value that is required for routine observations in pathology, dermatology, histology, cytology, and other clinical applications. The EXC-400’s standard configuration provides exceptional value and performance, and its modular design allows for customization to fit almost any application. Featuring Infinity Plan Achromat, Plan semi-Apochromat, or Plan Phase objectives, the EXC-400 advantage capitalizes on the latest advances in optical design to deliver crisp, high resolution, bright images. The new ergonomic binocular viewing head option adapts the EXC-400 to users of different heights, maximizing comfort and ergonomics. The EXC-400 is designed and built with attention to detail, providing laboratories with a dependable microscope that meets or exceeds user expectations. The top-quality optics, ceramic stage, and comfortable operational controls are ideal for routine observation, work efficiency, and deliver remarkable value in a laboratory microscope. Our Infinity Plan Achromat objectives deliver best-in-class optical performance for crisp, brilliant, flat images. Customize your experience with a wide variety of specialty objectives for oil immersion, high dry, fluorescence, or phase contrast applications. The EXC-400 features a 3W LED and intensity control for over 20,000 hours of continuous, worry-free use.


  • Optical System: Infinity optical system, f = 180mm, anti-mold
  • Viewing Head: Trinocular (0:100, 50:50 split), inclined 30°, rotatable 360°; or Trinocular (0:100, 100:0 split) inclined 30°, rotatable 360°. Optional two head front-to-back or side-by-side teaching configurations
  • Eyepieces: WF 10x/22mm focusable eyepieces with diopter adjustment and eyeguards. Optional 12.5x, 15x (accepts 20mm reticle) and 20x eyepieces are available
  • Nosepiece: Reversed quintuple, ball bearing nosepiece with positive click stops to ensure percent ration
  • Objectives: Infinity Plan Achromat 4x, 10x, 40xR* and 100xR oil* (*spring-loaded)
  • Stage: Ceramic, hard-coated mechanical stage with low position coaxial controls; stage size 175mm x 153mm with an X-Y movement range of 76mm X 50mm
  • Condenser: N.A. 1.25 Swing-Out Achromat condenser, on a rack and pinion with iris diaphragm
  • Stand: Cast alloy aluminum
  • Illumination: 3-watt LED with variable intensity control and field iris diaphragm; LED bulb is rated for over 20,000 hours of continued use; universal power supply 110v-240v
  • Focusing System: Coaxial focusing system with adjustable tension control and upper limit stop to prevent accidental damage to slides; all metal gears, brass fine focus gear
  • Accessories: Dust cover, immersion oil, and instruction manual
  • Certification: ISO 9001: 2018 and ISO 14001: 2018; UL approved; CE anti-mold
  • Warranty: 5-year limited warranty for parts, labor, and electronic components; 1-year warranty on LED bulb
  • Microscope Dimensions (LWH): 460mm x 245mm x 430mm
  • Physical Weight: 27.5 lbs
  • Shipping size: 31x21x11 inches
  • Shipping weight: 30 lbs