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BestScope BPM-290 Portable Inverted Monocular Compound Microscope, WF10x Eyepiece, 40x-400x Magnification, Brightfield, LED Illumination, Plain Stage, Battery-Powered

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36,240,000 đ
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5.00 LBS
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Miễn phí toàn quốc
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5 đến 10 ngày làm việc
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Mô tả hàng hóa

Product Features

  • Inverted compound microscope for observation of biological cultures or specimens within well plates, petri dishes, or vials in areas that require a longer working distance
  • Monocular viewing head with 18mm 10x widefield eyepiece and fixed 45-degree vertical inclination to reduce eye and neck strain
  • Under-mounted triple nosepiece with 4x, 10x, and 40x long working-distance objectives that are achromatic for color correction of magnified images
  • Upper-mounted Brightfield LED illumination for clear examination
  • Plain stage with clips secures slide in place


Technical Details

  • Brand Name: BestScope
  • Part Number: BPM-290
  • Material Type: Metal, Plastic
  • Number of Items: 1
  • Item Package Quantity: 1


Product Information

Product Dimensions 11 x 10 x 6 inches
Item Weight 2 pounds
Shipping Weight 2 pounds 
Item model number BPM-290
Date first available  June 29, 2014

Technical Specification


Product Description 

The BestScope BPM-290 Portable Inverted Monocular Compound Microscope has a 10x widefield eyepiece, an under-mounted nosepiece with three long working-distance achromatic objectives, LED illumination, and a plain stage with stage clips. The monocular viewing head has a fixed inclination to reduce eye and neck strain. The objectives are achromatic to provide color correction of magnified images. An inverted microscope is used in research, medical, and industrial laboratories for observation of biological specimens within vials or dishes that require a longer working distance.

The microscope has Brightfield illumination mounted above the stage. Brightfield (BF) illumination allows the specimen to absorb light, resulting in a dark image on a light background. The LED light source provides bright, cool light for working with temperature-sensitive or live specimens. The plain stage has an opening for light transmission, and stage clips to secure the slide or specimen in place while viewing.

Microscope Head and Optics Specifications
Head Monocular
Magnification range 40x-400x
Head inclination 45 degrees
Eyepiece (18mm) WF10x
Nosepiece Under-mounted
Objectives, achromatic, long-working distance 4x (NA 0.08, WD16), 10x (NA 0.25, WD3.6), 40x (NA 0.60, WD0.6)

Microscope Illumination and Stage Specifications
Light source LED
Illumination type Brightfield
Traveling range 2.6mm
Stage type Plain
Power (2) AA batteries

Microscopes are instruments used to enhance the resolution of an object or image. Types include compound, stereo, or digital. Compound microscopes use a compound optical system with an objective lens and an eyepiece. Stereo microscopes show object depth in a three-dimensional image. Digital microscopes are used to display an image on a monitor, rather than looking through a lens. Microscopes can have monocular (one), binocular (two), or trinocular (three) eyepieces, with varying magnification abilities. Magnification ability refers to the size of an image. Resolution, also known as resolvant power, refers to the clarity of the image. The interaction between field of view (FOV), numerical aperture (NA), and working distance (WD) determines resolution. Microscopes can control magnification through a fixed focus, or through a range of adjustments. They can also utilize LED, fluorescent, and mirror light sources to help control viewing capabilities. Microscopes are widely used in education, lab research, biology, metallurgy, engineering, chemistry, manufacturing, and in the medical, forensic science, and veterinary industries.

BestScope International Ltd. manufactures microscopes, digital cameras, and accessories for education, inspection, research, and clinical and industrial applications. The company, founded in 1995, is headquartered in Beijing, China.

What's in the Box?

  • BestScope BPM-290 Portable Inverted Monocular Compound Microscope
  • WF10x eyepiece, 18mm
  • 4x achromatic objective
  • 10x achromatic objective
  • 40x achromatic objective
  • (2) AA batteries

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