The Levenhuk MED D20T digital microscope for microbiology, with LCD screen, is a professional optical instrument for brightfield observations. Its main feature is a 5 MP digital camera with an LCD screen that can transmit, in real time, the image from the microscope objective and record videos and take photos of the research. Moreover, the microscope uses semi-planachromatic lenses and allows Köhler illumination adjustment. The microscope is useful for solving a wide range of problems in the fields of microbiology and medicine and for research in various scientific fields.
High-level semi-planachromatic optics
The trinocular head, rotatable 360°, has a binocular viewing part inclined at 30°. A beam splitter is present. A digital camera is installed on the vertical tube. The wide-field eyepieces provide good visibility and allow diopter adjustment. The objectives offer several magnifications. The 40x and 100x objectives have a spring-loaded protective mount. It is possible to conduct observations at maximum magnification using immersion oil (a bottle of immersion oil is included in the kit). The lenses are protected with an antifungal coating.
Comfortable work with slides
Under the optical unit is a double-layer mechanical stage equipped with a graduated scale. The coarse and fine focus knobs, with fine-thread gearing, allow sharpness adjustment. Observations are conducted in transmitted light thanks to a 20 W halogen light source located under an Abbe condenser, equipped with diaphragm and filter holder. The kit includes three filters. Brightness is adjustable. The microscope is powered by an AC power supply.
The Levenhuk MED D20T LCD is a modern microscope for research in the microbiological field
It is also worth mentioning the digital camera, which besides the LCD screen, is compatible with various additional devices. It is possible to connect a mouse, keyboard, and headphones to the camera. The objective image can be transmitted to an integrated external display. Flash drives and memory cards are supported. The camera does not require additional software installation. Thanks to the software, it is possible to edit recorded photos and videos, choose the file storage location, change camera settings, or perform simple photo and video processing. The software allows changing image size, brightness and contrast, gamma, sharpness and saturation, exposure time, and white balance, calibrating the camera and objective lenses; it also enables measurement of samples and structures (various measurement units available). Additionally, the program enables granulometric particle analysis. The camera makes laboratory work easier and more comfortable for researchers: it is not necessary to observe slides through eyepieces when the image is visible on the integrated LCD screen with touch controls.
The Levenhuk MED 20 series includes high-level microscopes for microbiological laboratories.
Features:
• Trinocular laboratory microscope
• Semi-planachromatic lenses, magnification from 40x to 1000x
• Antifungal coating on all optical surfaces
• Halogen illumination powered by AC supply
• Köhler illumination available
• The kit includes a 5 MP digital camera and an LCD screen with Android operating system
Kit includes:
• Microscope base with stand
• 360° rotatable trinocular head
• Semi-planachromatic objectives 4x, 10x, 40xs, 100xs (oil) with antifungal coating
• Wide-field eyepieces: WF10x/18 mm with antifungal coating (2 pcs)
• Abbe condenser N.A. 1.25 with iris diaphragm and filter holder
• Filters: blue, green, yellow
• Bottle of immersion oil
• Fuse (2 pcs)
• Power cable for microscope
• Dust cover
• 5 MP digital camera with LCD screen
• Power cable for camera
• User manual and lifetime warranty
Attention:
for information regarding the correct mains voltage, consult the specifications table. Never attempt to connect a 110 V device to a 220 V outlet and vice versa without using a voltage converter. Note that the mains voltage is 220–240 V in most European countries and 110 V in the United States and Canada.
Some things that can be observed under the microscope:
The Levenhuk MED D20T digital trinocular microscope with LCD screen is compatible with Levenhuk digital cameras (sold separately). Levenhuk cameras are installed on the optical tube, replacing an eyepiece.
| Brand | LEVENHUK (USA) |
| Warranty, years | lifetime |
| EAN | 5905555004938 |
| Package size (LxWxH), cm | 64x35x32.5 |
| Shipping weight, kg | 8.54 |
| Type | digital, light/optical, biological |
| Head type | trinocular |
| Optical material | optical glass with anti-reflective coating, optical glass with antifungal coating |
| Vertical tube | 360° rotatable, with beam splitter switch |
| Head tilt angle | 30° |
| Magnification, x | 40 — 1000 |
| Magnification range | from 800x to 1280x |
| Eyepiece tube diameter, mm | 23.2 |
| Eyepieces | WF10x/18 mm, wide field with diopter adjustment (2 pcs) |
| Objectives | semi-planachromatic: 4x, 10x, 40xs, 100xs (oil immersion) |
| Revolver nosepiece | for 4 objectives |
| Interpupillary distance, mm | 55 — 75 |
| Stage, mm | 140x140 |
| Stage movement range, mm | 70/50 |
| Stage features | double-layer mechanical |
| Eyepiece diopter adjustment, diopters | ±5 |
| Condenser | Abbe N.A. 1.25 with iris diaphragm and filter holder |
| Diaphragm | iris |
| Focus | coaxial, coarse (0.5 mm) and fine (0.002 mm), rack and pinion |
| Body | metal |
| Illumination | halogen |
| Brightness adjustment | yes |
| Power supply | 100–240 V |
| Light source type | 6 V/20 W, 85–230 V AC |
| Optical filters | blue, green, yellow |
| Extra elements | collector, Köhler illumination |
| Megapixels | 5 |
| Sensor element | 1/2,5' |
| Pixel size, µm | 2.2х2.2 |
| Sensitivity, V/lux-sec@550 nm | 0.53 |
| Video recording | yes |
| Frame rate | 15 frames per second |
| Usage position | the microscope’s third eyepiece tube 23.2 mm |
| Image format | *.jpg |
| White balance | automatic/manual |
| Exposure control | automatic/manual |
| Software, drivers | Android 5.1 (multilingual) |
| Programmable options | measurement, brightness, granulometric analysis, etc. |
| Output | USB 2.0 (2 pcs), mini HDMI, Wi-Fi, TF memory card slot |
| Camera power supply | DC 12 V / 2 A via AC adapter |
| Special features | 9.4-inch color LCD screen, sensor Built-in memory: 4 GB |
| Ability to connect additional equipment | support for microSD cards up to 32 GB monitor/TV (with HDMI port) USB flash drives, computer mouse, keyboard (with a USB connector), headphones (3.5 mm) |
| User level | advanced users, professionals |
| Assembly and installation difficulty level | complicated |
| Video format | 1080p, *.3gp |
| Application | laboratory/medical |
| Illumination position | lower |
| Research method | bright field |
| Digital camera included | yes |
| Set with case/carrying bag | dust cover |
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