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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:
The kit includes:
Brand | Levenhuk, Inc., USA |
Warranty | lifetime |
EAN | 5905555005256 |
Package size (LxWxH) | 40x19x27 cm |
Shipping Weight | 3.86 kg |
Type | biological, light/optical |
Microscope head type | binocular |
Optics material | optical glass |
Head | 360 ° rotatable |
Head inclination angle | 30 ° |
Magnification, x | 40 — 1000 |
Magnification range | from 800x to 1280x |
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 | yes |
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 |