AmScope 40X-2500X Professional Infinity Phase Contrast Kohler Compound Microscope

AmScope 40X-2500X Professional Infinity Phase Contrast Kohler Compound Microscope



Regular price $1,530.99
Regular price $1,836.99 Sale price $1,530.99
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AmScope 40X-2500X Professional Infinity Phase Contrast Kohler Compound Microscope
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This is a brand new professional phase contrast infinity binocular compound microscope with superior extreme widefield infinity optical system, offering crisp clear images. It comes with a 30 degree inclined 360 degree swiveling binocular Siedentopf head, extreme widefield eyepieces, infinity objectives, coaxial coarse & fine focusing, 3-D mechanical stage, and Kohler halogen illumination with wide band power supply (from 85V to 230V). The backward nosepiece configuration allows spacious room for convenient operation and comfortable observation. This microscope provides seven phase contrast magnification powers (100X, 200X, 250X, 400X, 500X, 1000X and 2500X) and six levels of brightfield magnification (40X, 100X, 250X, 400X, 1000X and 2500X). It is a superb instrument for clinic offices, veterinary labs and research laboratories, and comes brand new in a factory sealed box.


  • An Affordable Infinity Optical Microscopy System with Koehler Illumination!
  • Backward Nosepiece Allowing Spacious Room for Comfortable Observation
  • Large Mechanical Stage with Two-microslide Specimen Clamp
  • Humanized Configuration Design Providing Comfortable Operation
  • Front Open Light house Framework for Easy Access to Light Bulb
  • Fully Coated Optical System with High Resolution
  • Crystal Clear Sharp Images
  • Precise Mechanical Control System
  • Backward Nosepiece Design for Spacious Operation Room
  • Koehler Illumination System with Field Diaphragm for Lighting Control
  • 30 Degree Inclined, 360 Degree Swiveling, Binocular Siedentopf Head
  • Seven Phase Contrast Magnification Powers: 100X, 200X, 250X, 400X, 500X, 1000X and 2500X
  • Six Brightfield Magnification Levels: 40X, 100X, 250X, 400X, 1000X and 2500X
  • Intensity-Variable Transmitted Halogen Lighting System
  • Abbe Condenser with Iris Diaphragm and Swing-Out Filter Holder
  • Rack and Pinion Adjustment for Condenser
  • Low Position Coaxial Stage Movement Control Knobs
  • Dual Side Coaxial Coarse and Fine Focusing Control
  • Adjustable Interpupillary Distance
  • Adjustable Diopter on Ocular
  • Durable Cast Alloy Frame Stand with Stain Resistant Enamel Finish
  • Four Infinity Objectives: 4X, 10X, 40X, 100X
  • Four Infinity Plan Phase Contrast Objectives: 10X, 20X, 40X, 100X
  • Two Sets of Wide Field Eyepieces: Wide Field 10X (22mm Field of View) and 25X
  • Large Double Layer Mechanical Stage with Stain Resistant Finish
  • Upward Stage Stopper to Protect Objectives and Slides
  • Compatible with a Wide Range of Optional Accessories, Including Phase Contrast and Darkfield Condensers
  • Manufactured under ISO 9001 Quality Control Standards
  • Excellent Five (5) Year Factory Warranty
  • Unbeatable Low Price Guaranteed or Difference Back!
  • Satisfaction Guaranteed or Your Money Back!


  • Optical System: infinity corrected
  • Nosepiece: backward, ball bearing quadruple
  • Head: Siedentopf binocular head, 30-degree inclined
  • Eyepiece: WH10X/22mm and WH25X
  • Phase Contrast Objective: infinity plan objective 10X, 20X, 40X (spring), 100X (spring, oil)
  • Objective: infinity objective 4X, 10X, 40X (spring), 100X (spring, oil)
  • Focusing: low position coaxial focus system
  • Interpupillary Adjustment Mechanisms: 2-3/16" - 3-0" (55 - 75mm)
  • Mechanical Stage: 7.1"x5.9" (180mm ? 150mm)
  • Stage Traveling Range: 3"x 2" (75x50mm)
  • Division of Fine Focusing: 0.0000787" (0.002mm)
  • Condenser: N.A. 1.25, swing with iris diaphragm filter
  • Illumination: Koehler, halogen 12V/20W
  • Power Supply: 85V-230V wide voltage, CE certified

    Packing List:

  • One Binocular Siedentopf Head
  • One Microscope Body Frame with Base and Koehler Illumination System
  • Four High Quality Infinity Objectives: 4X, 10X, 40X and 100X
  • Two Pairs of Extreme Widefield Eyepieces: WH10X and WH25X
  • One Power Cord
  • Three Color Filters
  • One Dust Cover
  • One Spare Halogen Bulb
  • One Spare Fuse
  • Immersion Oil
  • User's Manual
  • Shipping Weight: 40 lbs

    AmScope B690C-PCT200INF Microscope


    Shipping & Returns


    We provide complimentary UPS ground shipping for online orders exceeding $99 to all destinations within the Continental U.S.A. Most items are drop-shipped from one of our suppliers. Due to the highly configurable nature of microscopes and our vast product portfolio, lead times can vary. Should you need expedited shipping, kindly reach out to us for a personalized quote and to ensure your availability.

    We welcome international orders on a case-by-case basis. Buyers are accountable for any international duties, taxes, brokerage, or import fees that may be incurred. We encourage customers to reach out to us at prior to purchase, to ensure the microscope will meet their needs and expectations.


    For most items, we accept returns within 14 days of purchase, with the buyer responsible for covering all shipping charges. Please refer to our Full Returns Policy for further details. (Note: Many returns stem from purchasing the wrong product for a specific application. To prevent this, we recommend consulting a Microscope Central expert before making your purchase.

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