Open Box 40X-2500X LED Binocular Compound Microscope w 3D Two-Layer Mechanical Stage

SKU: CL-B250C

Availability: Out of Stock

Regular price $391.99 $201.99

The Higher the Magnification - The More Detail You'll See

Magnification 40x
Magnification 1000x
Magnification 2500x

Magnification is the ability of your microscope to make small objects seem larger. As the magnification increases the area being viewed will be decrease is size but the detail of the area being viewed will improve.

Amscope microscopes come with multiple magnifications to aid you in finding the proper magnification for viewing each specimen.

Camera Connection Types

When comparing 2.0 and 3.0 there are few major differences. First the transfer rates. USB 2.0 offers transfer rates of 480 Mbps and USB 3.0 offers transfer rates of 4.8 Gbps - that's 10 times faster.

Camera Resolution

The most important factor in ensuring successful microscopic imaging is choosing the appropriate optics and camera for your application that gives you more data and higher image quality. When selecting a microscope camera, it is best to base your decision on the most important requirements for your microscopic observation.

Key Features

  • A sleek, compact compound microscope for students and professionals. This microscope is perfect for classroom workstations or labs with limited space.
  • Professional features include a Siedentopf binocular head for precise adjustments, a 2-layer mechanical stage with low-position controls, and coaxial coarse and fine focus for ergonomics and an efficient workflow.
  • 40X to 2500X achromatically-corrected magnification for studying a range of specimens including hair follicles, cells, and bacteria. 10X and 25X eyepieces provide 6 unique magnification settings.
  • Now Available - An AmScope exclusive middle school camera software download Windows and Mac

The B250 binocular compound microscope is small, but it packs a big punch. The sleek, compact design uses a minimal footprint while providing high-efficiency features like a Siedentopf head, coaxial coarse and fine focus, and a 2-layer mechanical stage. The reversed lens turret maximizes the stage's working space. The microscope is perfect for classroom workstations or labs with limited space.

To customize the microscope to your viewing comfort, the eyepiece spacing can be easily adjusted using a precision Siedentopf mechanism. A diopter is available on the left ocular tube to compensate for asymmetry, and the ocular tubes are angled at 30° to comfortably accommodate a seated position without neck strain. The head can also be rotated 360° to accommodate multiple users. Various eyepieces can be used to increase the overall optical magnification.

The objective turret provides instant access to 4 magnification levels to easily focus in on minute details from 40X to 1000X. Additional 25X eyepieces expand the maximum magnification to 2500X with 6 unique levels. This covers magnifications needed for studying hair follicles, cells, and bacteria. The turret's reversed orientation provides more working room above the stage. This model uses compact-format lenses to reduce the overall profile while maintaining achromatic corrections to improve resolution and color accuracy.

The 2-layer mechanical stage provides smooth and precise movement for examination of specimen slides. The stage's low-position controls are conveniently placed near the coaxial focus knobs for a streamlined workflow. Examining specimen slides is intuitive and precise for users at any skill level.

The LED sub-stage lighting provides cool, energy-efficient illumination. The light-source is daylight balanced to produce natural colors for imaging. The Abbe light condenser uses a simple spiral-control for height adjustment, and an iris diaphragm to optimize contrast and depth-of-field.

Specifications :

  • Eyepieces: 10X, 25X
  • Objective: Compact (not DIN standard) achromatic 4X, 10X, 40X(S), 100X(S, Oil)
  • Head: 30 degree inclined 360 degree swiveling binocular
  • Interpupillary distance: 1-4/5" - 2-9/10" (48mm - 75mm)
  • Adjustable ocular diopter
  • Nosepiece: revolving quadruple, reverse
  • Mechanical Stage: 3-D double layer
  • - Size: 4.5in x 4.3in (115mm x 109mm)
  • - Travel Range (X-Y): 2.15in x .7in (55mm x 18mm)
  • Condenser: NA1.25 Abbe condenser with iris diaphragm
  • Illumination: LED light, transmitted, intensity adjustable
  • Focusing: coaxial coarse & fine knobs on both sides
  • Power Supply: 100-240VAC 50/60Hz

  • Packing List:

  • One binocular microscope
  • Four objective lenses: 4X, 10X, 40X and 100X
  • One pair 10X eyepieces
  • One pair 25X eyepieces
  • One dust cover
  • One sample immersion oil
  • One blue color filter
  • application Microscope-Clinic, Microscope-Veterinary, Microscope-Laboratory, Microscope-Student
    camera compatibility None
    camera connection type N/A
    category Microscope-Compound
    color Microscope-White
    compatibility None
    condenser design Abbe-Spiral w/ diaphram
    field view Widefield
    head style Microscopes-Binocular
    illumination style Transmitted (Bottom)
    light shape Microscope-Built-in
    light type LED
    magnification power config 40X-2500X
    magnification type Multi-Power
    magnifying power Microscope-40X to 2500X
    magnifying style Microscope-Multi Power
    Manufacturer AmScope
    microscope application High School
    microscope category Compound
    microscope color White
    microscope condenser design Abbe-Spiral w/ diaphram
    microscope condenser optics NA 1.25
    microscope condenser type Brightfield
    microscope eyepiece power 10X, 25X
    microscope eyepiece size 23mm
    microscope field view Widefield
    microscope head style Binocular
    microscope iris With Iris
    microscope light power 1W
    microscope light shape Built-in
    microscope light type LED
    microscope magnifying power 40X to 2500X
    microscope number of bulbs 1
    microscope objective power 4X, 10X, 40X, 100X
    microscope optics Achromatic
    microscope power supply Wide Band
    microscope stage Two-layer Mechanical Stage
    optics Achromatic
    pixel N/A
    prop 65 Prop 65 Warning
    school Elementary, High School
    stage Microscope-Two-layer Mechanical Stage

    AmScope products are warranted against manufacturer’s defects in material and workmanship from the original date of purchase, for the following years: 


    • Five Year Warranty for Microscopes: All our microscopes come with a five (5) year factory warranty against manufacturing defects, covering labor and parts. 
    • Ten Year Warranty for Euromex Microscopes: All our Euromex microscopes come with a ten (10) year factory warranty against manufacturing defects, covering labor and parts.
    • One Year Warranty for Telescopes: All our telescopes come with a one (1) year warranty, except when specified in the description. 
    • One Year Warranty for Accessories: All our microscope accessories (USB cameras, illuminators, illumination, dust covers, and etc.) come with a one (1) year warranty, except when specified in the description.
    • One Year Warranty for Items labeled as “Product Ships From Manufacturer”: All products that are shipped directly from the manufacturer come with a one (1) year warranty, except when specified in the description. 

    Warranty does not apply for consumable accessories and parts such as bulbs, batteries, fuses, cords, optical components or any add-on accessories such as mechanical specimen holders that are not built into the microscope stage as an integral part of the original manufacture, etc. Warranty does not cover microscopes, lenses cameras or other accessories that have become inoperable due to dirt or damage due to misuse or lack of maintenance. 

    Note: Buyers are responsible for return shipping and handling cost for warranty services. Our warranty covers parts and labor only.

    The B250 binocular compound microscope is small, but it packs a big punch. The sleek, compact design uses a minimal footprint while providing high-efficiency features like a Siedentopf head, coaxial coarse and fine focus, and a 2-layer mechanical stage. The reversed lens turret maximizes the stage's working space. The microscope is perfect for classroom workstations or labs with limited space.

    To customize the microscope to your viewing comfort, the eyepiece spacing can be easily adjusted using a precision Siedentopf mechanism. A diopter is available on the left ocular tube to compensate for asymmetry, and the ocular tubes are angled at 30° to comfortably accommodate a seated position without neck strain. The head can also be rotated 360° to accommodate multiple users. Various eyepieces can be used to increase the overall optical magnification.

    The objective turret provides instant access to 4 magnification levels to easily focus in on minute details from 40X to 1000X. Additional 25X eyepieces expand the maximum magnification to 2500X with 6 unique levels. This covers magnifications needed for studying hair follicles, cells, and bacteria. The turret's reversed orientation provides more working room above the stage. This model uses compact-format lenses to reduce the overall profile while maintaining achromatic corrections to improve resolution and color accuracy.

    The 2-layer mechanical stage provides smooth and precise movement for examination of specimen slides. The stage's low-position controls are conveniently placed near the coaxial focus knobs for a streamlined workflow. Examining specimen slides is intuitive and precise for users at any skill level.

    The LED sub-stage lighting provides cool, energy-efficient illumination. The light-source is daylight balanced to produce natural colors for imaging. The Abbe light condenser uses a simple spiral-control for height adjustment, and an iris diaphragm to optimize contrast and depth-of-field.

    Specifications :

  • Eyepieces: 10X, 25X
  • Objective: Compact (not DIN standard) achromatic 4X, 10X, 40X(S), 100X(S, Oil)
  • Head: 30 degree inclined 360 degree swiveling binocular
  • Interpupillary distance: 1-4/5" - 2-9/10" (48mm - 75mm)
  • Adjustable ocular diopter
  • Nosepiece: revolving quadruple, reverse
  • Mechanical Stage: 3-D double layer
  • - Size: 4.5in x 4.3in (115mm x 109mm)
  • - Travel Range (X-Y): 2.15in x .7in (55mm x 18mm)
  • Condenser: NA1.25 Abbe condenser with iris diaphragm
  • Illumination: LED light, transmitted, intensity adjustable
  • Focusing: coaxial coarse & fine knobs on both sides
  • Power Supply: 100-240VAC 50/60Hz

  • Packing List:

  • One binocular microscope
  • Four objective lenses: 4X, 10X, 40X and 100X
  • One pair 10X eyepieces
  • One pair 25X eyepieces
  • One dust cover
  • One sample immersion oil
  • One blue color filter
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