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Magnification: 40–1000x. Trinocular head, 5.1MP digital camera, semi-plan achromatic objective lenses, an Abbe condenser with an iris diaphragm and a filter holder

Trinocular
The microscope head is a core element of the microscope that you look through to see a magnified sample
40 — 1000
How much the size of a sample increases when you observe it through a microscope
Laboratory/medical
Application and use of the microscope
Availability

Product ID 73990
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555004921
Package size (LxWxH) 58x36x34 cm
Shipping Weight 8.18 kg
Description

Levenhuk MED D20T Digital Microscope features the semi-plan achromatic optics, practical Köhler Illumination, powerful halogen light with brightness adjustment, and ability to record observations in a photo or video mode. The microscope is equipped with a 5.1MP digital camera; it is perfect for professional work with specimens, convenient to set up and use. Levenhuk MED D20T is an excellent choice for holding seminars and presentations, teaching students in universities, research work in scientific centers, and diagnostics in medical laboratories.

A trinocular head with a beam splitter and digital capabilities

The microscope uses a classic trinocular head. It is divided into a visual part inclined at 30° and a separate vertical tube, in which a digital camera is installed (included). There is a beam splitter. A camera with a 5.1MP sensor allows for recording videos and taking pictures. It can be connected with an external device via an included USB cable to transmit an image observed through an objective lens to a connected screen in a real-time mode. The camera makes working in a laboratory easier: there is no need to strain your eyes when observing slides through eyepieces. The software on a CD allows for adjusting the size, image brightness and contrast, exposure time and white balance, calibrating a camera and objective lenses as well as measuring specimens or structures (several measurement units are available).

High-class semi-plan achromatic optics

The optical scheme of the microscope consists of wide-field eyepieces with diopter adjustment and semi-plan achromatic objective lenses of various magnifications. Overall optics magnification varies of 40x to 1000x. All of the optical surfaces of eyepieces and objective lenses are protected with a special anti-fungal coating. 40x and 100x objective lenses have spring-loaded frames that protect the optics from accidental damage. A 100x objective can be used for observations using oil immersion (a vial of immersion oil is included in the kit). Sharpness is adjusted with coarse and fine focusing and has a small pitch of adjustment.

Convenient work with microscope slides

The mechanical scale is installed on the stage. The mechanical scale allows for placing specimens under the objective lens precisely. The illumination system is located under the stage. It consists of an Abbe condenser, an iris diaphragm, a filter holder, and 20W halogen light source. The light brightness is adjustable. It is powered by an AC power supply.

Features:

  • Trinocular laboratory microscope
  • Semi-plan achromatic optics, magnification of 40x to 1000x
  • Anti-fungal coating of all optical surfaces
  • Halogen light is powered by an AC power supply
  • Köhler illumination is available
  • 5.1MP digital camera is included

The kit includes:

  • Microscope base with a stand
  • 360° rotatable trinocular head
  • Semi-plan achromatic objective lenses 4x, 10x, 40xs, 100xs (oil) with an anti-fungal coating
  • Wide-field eyepieces: WF10x/18mm with an anti-fungal coating (2 pcs)
  • Abbe condenser N.A. 1.25 with an iris diaphragm and a filter holder
  • Filters: blue, green, yellow
  • Vial of immersion oil
  • Fuse (2 pcs)
  • Power cord for microscope
  • Dust cover
  • 5.1MP digital camera
  • Camera adapter
  • Camera mount
  • USB cable for connecting and powering camera
  • Software CD and drivers
  • User manual and lifetime warranty

Caution:

Please refer to the specifications table for the correct mains voltage and never attempt to plug a 110V device into 220V outlet and vice versa without using a converter. Remember that mains voltage in the U.S. and Canada is 110V and 220–240V in most European countries.

Some things you can see under a microscope:


Levenhuk MED D20T Digital Trinocular Microscope is also compatible with other Levenhuk digital cameras (additional cameras are purchased separately). Levenhuk cameras are installed in the eyepiece tube instead of an eyepiece. This microscope is also compatible with any other digital microscope cameras.

Specifications
Product ID 73990
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555004921
Package size (LxWxH) 58x36x34 cm
Shipping Weight 8.18 kg
Type biological, light/optical, digital
Head trinocular
Optics material optical glass with anti-fungal coating
Nozzle 360 ° rotatable, with switching (dividing) luminous flux
Head inclination angle 30 °
Magnification, x 40 — 1000
Eyepiece tube diameter, mm 23.2
Eyepieces WF10x/18mm, wide-field with diopter adjustment (2 pcs.)
Objectives semi-plan achromatic: 4x, 10x, 40xs, 100xs (oil immersion)
Revolving nosepiece for 4 objectives
Interpupillary distance, mm 55 — 75
Stage, mm 140x140
Stage moving range, mm 75/50 (movement in horizontal (X and Y) directions)
Coarse focusing travel, mm 17
Stage features mechanical double-layer
Eyepiece diopter adjustment, diopters ±5
Condenser Abbe N.A. 1.25 with an iris diaphragm and filter holder
Diaphragm iris
Focus coaxial, coarse (0.5 mm) and fine (0.002 mm), with rack and pinion
Body metal
Illumination halogen
Brightness adjustment
Power supply 100–240V
Light source type 6V/20W, 85–230V AC
Light filters blue, green, yellow
Additional collector lens, Köhler illumination
User level experienced users, professionals
Assembly and installation difficulty level complicated
Application laboratory/medical
Illumination location lower
Research method bright field
Pouch/case/bag in set dust cover
Maximum resolution 2048x1536
Megapixels 5.1
Sensor element 1/2.5"
Pixel size, μm 2.2x2.2
Image format *.jpg, *.bmp, *.png, *.tif and others
Video format output: *.wmv, *.avi, *.h264 (Windows 8 and later), *h265 (Windows 10 and later)
Spectral range, nm 380–650
Exposure control 0.294–2000μs
Sensitivity, V/lux-sec@550nm 0.53
Frame rate 7@2592x1944
27@1280x960
90@640x480
Usage location the third 23.2mm ocular tube of the microscope
Software, drivers LevenhukLite
Programmable options image size, brightness, shutter time
Output USB 2.0
System requirements Windows 8/10/11 (32bit and 64bit), Mac OS X, Linux, up to 2.8GHz Intel Core 2 or higher, minimum 2GB RAM, USB 2.0 port, CD-ROM
Camera power supply via USB cable