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

Binocular
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 75420
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555005256
Package size (LxWxH) 40x19x27 cm
Shipping Weight 3.86 kg
Description

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.

Features:

  • 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
Specifications
Product ID 75420
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555005256
Package size (LxWxH) 40x19x27 cm
Shipping Weight 3.86 kg
Type biological, light/optical
Head binocular
Optics material optical glass
Nozzle 360 ° rotatable
Head inclination angle 30 °
Magnification, x 40 — 1000
Eyepiece tube diameter, mm 23.2
Eyepieces WF10x/18mm (2 pcs.)
Objectives achromatic: 4x, 10x, 40xs, 100xs (oil immersion)
Revolving nosepiece for 4 objectives
Interpupillary distance, mm 48 — 75
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
Reviews
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Eye under a microscope: insects’ photo (20.04.2020)
Find out why studying eyes under a microscope is entertaining; how insects’ and arachnids’ eyes differ and what the best way is to observe such an interesting specimen
What does hair look like under a microscope? (17.05.2020)
Read this review to learn how to observe human hair, what different hair looks like under a microscope and what magnification is required for observations
How does the aperture of a microscope objective lens work? (17.05.2020)
Learn what a numerical aperture is and how to choose a suitable objective lens for your microscope here
A spider under a microscope: photos and peculiarities of studying the slide (18.05.2020)
Learn what a spider looks like under microscope, when the best time is to take photos of it, how to study it properly at magnification and more interesting facts about observing insects and arachnids
What does a microscope consist of? (18.05.2020)
This review for beginner explorers of the micro world introduces you to the optical, illuminating and mechanical parts of a microscope and their functions
Paramecium caudatum - your first friend from the microworld (21.11.2016)

Short article about Paramecium caudatum - a microorganism that is interesting to observe through any microscope

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