AmScope B250 Series Compact Binocular Compound Microscope 40X-2500X Magnification with LED, Siedentopf and 1MP Digital Eyepiece

AmScope B250 Series Compact Binocular Compound Microscope 40X-2500X Magnification with LED, Siedentopf and 1MP Digital Eyepiece

Sale: $42.52 $25.46
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Description

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.

Monitor and capture photos and videos with the included 1MP digital eyepiece camera. The compact, lightweight camera can be used in place of an eyepiece to watch live images, and to record photos or videos on your computer. This ability to view microscopic images on your computer reduces eye-strain, and allows groups of people to view images at the same time. Our professional software for Windows provides a wide assortment of capture and photo-editing functions including color correction, time-lapse capture, image stitching, and a full complement of measuring tools. A lite version of our software is available for Mac and Linux with essential functionality for capturing photos and videos.

Specifications

Optical System Finite-conjugate
Head Binocular, 30° incline, 360° rotatable
Interpupillary Adjustment Siedentopf, 48-75mm
Ocular Diameter 23mm
Eyepieces 10X, 25X
Objective Lenses Compact, not DIN standard
Objective Mounting Thread RMS 20.32mm
Objective Turret quadruple, reversed
Focusing System Coaxial coarse and fine focus
Focus Range 30mm
Division of Fine Focus 0.002mm
Stage Design Double-layer with caliper
Stage Dimensions 115mm x 109mm
X-Y Translation Range 55mm x 18mm
Transmitted Illumination Variable-intensity LED
Condenser NA1.25 Abbe condenser with iris diaphragm
Sub-stage Condenser-holder spiral adjustment
Power 100-240VAC 50/60Hz wide-band

Objective Lenses

Magnification Corrections NA Immersion Medium Cover-glass Thickness
4X achromatic 0.10 0.17mm
10X achromatic 0.25 0.17mm
40X achromatic 0.65 0.17mm
100X achromatic 1.25 oil 0.17mm

Camera Specifications
Sensor Type CMOS
Sensor Optical Format 1/3"
Active Pixels 1M (1280 x 1024)
Pixel Size 3.6µm x 3.6µm
Active Sensor Area 4.61mm x 3.69mm
Shutter electronic rolling shutter
Spectral Response 380-650nm with IR-cut filter
Capture Resolution and Maximum Framerate 7.5fps @ 1280x1024
12.5fps @ 1024x768
12.5fps @ 800x600
Connectivity USB 2.0
Power 5VDC over USB

Software

OS Requirements Windows (32/64 bit) XP/Vista/7/8/10, Mac OS 10.8+, Linux kernel 3.13+
Hardware Requirements Intel Core2 2.8GHz or comparable processor, 4GB RAM
Features
Windows Version
Live video preview
Captures still images and video
Time-lapse capture
Exposure and white-balance controls
Image processing
Measurement tools, including lines, arcs, polygons
Segmentation and counting tools
Image-stitching, extended depth-of-field, HDR
Mac/Linux Versions
Live video preview
Captures still images and video
Exposure control
Color adjustment
Measurement tools, including lines, arcs, polygons

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
  • One digital eyepiece camera
  • Two sizing adapters
  • One mini USB to USB type A cable


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