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ACCU-SCOPE® EXI-300 Microscope


Authorized Distributor


ACCU-SCOPE's EXI-300 microscope has two photo ports providing users with unparalleled imaging flexibility at this level. The EXI-300 combats tough lab challenges with a hard coated, scratch and stain resistant stage. The newly designed phase contrast system provides enhanced high-contrast images of transparent specimens like living cells, tissue slices, and micro-organisms. Excellent optics, LED illumination, and affordability make the EXI-300 perfect for teaching, clinical and laboratory applications.

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Optical System Infinity optical system, f=200mm, anti-mold
Viewing Head Trinocular, inclined 45°; Light distribution: binocular 100%; binocular/trinocular 80%/20% (upper port); trinocular 100% (lower port)
Eyepieces WF 10x/20mm FOV focusing eyepieces with eyeguards
Nosepiece Side facing quintuple nosepiece
Objectives Standard configurations: Infinity Corrected LWD Plan 4x, and Plan Phase 10x and 20x (Optional Plan Phase 40xR is available)
Stage Fixed, hard coated plain stage, 170mm x 230mm with glass insert plate
Condenser ELWD condenser N.A. 0.3, 72mm working distance, with pre-centered phase slider with 10x, 20x, and 40x annuli, BF and filter slot.
Slider Pre-centered phase slider 4x/10x, 20x/40x annuli and BF position; secondary slider for filters for enhanced illumination techniques
Stand Cast alloy aluminum.
Illumination 5 watt LED Koehler with variable intensity control; LED bulb is rated for over 25,000 hours of continued use. Universal power supply 110v-240v.
Focusing System Coaxial coarse and fine focus with adjustable tension control
Accessories Dust cover and instruction manual
Microscope Dimensions 515mmL x 248mmW x 473mmH (non-fluorescence units)
Physical weight 19lbs.
Warranty 5 year limited warranty for parts, labor, and electronic components. 1 year warranty on LED bulb.

Optional Accessories

  • Digital CMOS, CCD or HD camera
  • 0.50x and 1.0x c-mount adapters
  • WF15x or WF20x focusable eyepieces
  • Infinity Corrected LWD Plan Phase 40x objective
  • Attachable mechanical stage  right hand coaxial control at front of stage, and auxiliary stages 70mm x 180mm (pair
  • Auxiliary stages
  • Ø35mm and Ø54mm petri dish holders, Terasaki plate holder
  • Reticles and stage micrometers
  • 45mm clear blue and 45mm green filters
  • Phase centering telescope - 30mm O.D.