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Magnification: 40–1000x. Binocular head, achromatic objectives, LED light with a collector

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
Application and use of the microscope

Product ID 75420
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555005256
Package size (LxWxH) 15.7x7.5x10.6 in
Shipping Weight 8.5 lb

Levenhuk 400B is a binocular laboratory microscope for professional work for a microbiologist, medical worker, veterinarian, ornithologist, ecologist, or biochemist. This universal model can be used for bright field research as well as for research using oil immersion. This microscope features a reliable metal body, high-quality achromatic optics and bright LED light with a collector.

A binocular head is optimal for lengthy work with a microscope as it reduces eyestrain. It can be rotated 360° around its axis; a visual part is inclined at 30°. Wide-field eyepieces provide 10x magnification; achromatic objectives come pre-installed in a revolving nosepiece: they provide 4x, 10x, 40x, and 100x magnification. Total microscope magnification varies in the range from 40x to 1000x. The 40xs and 100xs objectives are equipped with protective spring-loaded frames of the front lens. A 100xs objective can be used for oil immersion.

The stage is equipped with a mechanical scale; under the stage there is an Abbe condenser with an iris diaphragm and a filter holder. Below, there is a lighting unit: an LED light with a collector. The light brightness is adjustable. As it is possible to use batteries to power the microscope, it is easy to use the device when you are away from a power outlet.


  • Binocular laboratory microscope, rotatable angled head
  • Observations in the bright field in incident light, oil immersion
  • Achromatic wide-field optics, magnification from 40x to 1000x
  • LED light with a collector and brightness adjustment
  • Metal body, standard eyepiece barrel diameter
  • Power supply is variable: by batteries or AC power supply

The kit includes:

  • Microscope
  • 4x, 10x, 40xs, 100xs (oil) achromatic objectives
  • WF10x/18mm eyepieces (2 pcs)
  • Abbe condenser N.A. 1.25 with an iris diaphragm and a filter holder
  • Charging power cord
  • Bottle of immersion oil
  • Filters: blue, green, yellow
  • Dust cover
  • User manual and lifetime warranty
Product ID 75420
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555005256
Package size (LxWxH) 15.7x7.5x10.6 in
Shipping Weight 8.5 lb
Type biological, light/optical
Head binocular
Optics material optical glass
Nozzle 360 ° rotatable
Head inclination angle 30 °
Magnification, x 40 — 1000
Eyepiece tube diameter, in 0.9
Eyepieces WF10x/18mm (2 pcs.)
Objectives achromatic: 4x, 10x, 40xs, 100xs (oil immersion)
Revolving nosepiece for 4 objectives
Interpupillary distance, in 1.9 — 3
Stage, mm 115x110
Stage moving range, mm 55/20
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 (12mm) and fine (0.002mm)
Body metal
Illumination LED
Brightness adjustment
Power supply 3 AA batteries (not included), 110–220V, via AC adapter (included)
Power supply: batteries/built-in battery yes
Light source type with a collector, 1W LED
Light filters blue, green, yellow
User level experienced users
Assembly and installation difficulty level easy
Application laboratory/medical
Illumination location lower
Research method bright field
Pouch/case/bag in set dust cover
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