Microscope - not only for professional use the unit, but also a way of bringing science to children and adolescents. There are some differences in the rich range of devices.
Content:
- The device and principle of operation
- How to Choose a Microscope
- Best Microscope Soldering
- Best binocular microscope
- Best microscope for child
- Best Instrumental microscope
- Best laser microscope
- The best demonstration microscope
- Best polarizing microscope
- Best technical microscope
- Best School microscope with illumination
- Best Digital Microscope
The device and principle of operation
Device:
The design consists of a tube - the hollow tube, wherein equipped eyepiece (lens system). When it is removed, it is governed by the increase. The device is equipped with nozzles for one (monocular) or both eyes (binocular) or dual-lens camera for taking pictures.
Before you consider an object lens is located. It comes in two types: dry and immersion. The increase is carried out by a special mechanism - turret nozzle (expensive models). Simple models require manual lens shift.
The test element is placed on the stage. To move an object on a vertical adjustment screw is used. Illumination tuned capacitor. Some models are equipped with lighting (electric or mirror).
Principle of operation:
- The test object is placed on a glass slide, the top covered with a thin glass plate.
- Light concentrates third lens system - a capacitor which is mounted the holder. Below is a light mirror which transmits light from the lamp.
- The image is saved, if the microscope is equipped with a camera.
The principle of operation is based on the electron microscope image of the beam energy of the charged particles. They are controlled by magnetic lenses that define the motion of electrons.
One part is dissipated, the second - pass through the object. The information comes from the charges and served on the screen.
Purpose and functions:
The main purpose is to obtain magnified images, measuring objects, visible or invisible to the eye.
Main goals:
- Editing schemes.
- defect analysis.
- Monitoring.
- Preparation of materials.
- Testing.
- Removing microscopic characteristics.
Scope microscopes immeasurable broad: metrology, Cryobiology, toxicology, virology, nanometrology, chemistry, biology, forensics.
functions microscopes
- Creation of light.
- Playback magnification of the optical image.
- Visualization images.
How to Choose a Microscope
Important parameters:
type of construction
device manufacturing material's reliability and product life. The best characteristics of different metal alloy. The structure reduces the vibration and fluctuations in temperature when no changes.
Plastic housing inferior strength metal.
Optics
The most important parameter - the improvement of quality of focus.
Standard lenses are considered to DIN or JIN. These models have in retail, they are easy to replace in case of breakage.
The more the number the more the better transmitted color, especially over long distances. Plastic versions, which are equipped with children's microscopes, produce fuzzy and blurred image.
eyepieces
Lenses located closer to the eye. Characterized by a wide field of view, which gives a larger image. Eyes easier to focus on the subject. The minimum permissible diameter of the ocular lens is 18 mm.
backlight
- Incandescent. The most simple and inexpensive.
- Fluorescent lighting. The glass bulb filled with gas. The cost is more expensive but lasts longer.
- LED-lamps. Relate to professional devices, economical, effective.
- Halogen lamps. A powerful stream of white light guarantee a bright illumination under all conditions.
Focus
Rough focusing comprises a controller which moves a subject through the focal plane of the lens. To see the image control is turned, but to make it difficult.
When accurate focusing of the object is increased in the vertical and horizontal planes.
Secondary parameters:
- Interchangeable eyepieces. Replacement mechanism occurs rapidly, limiting the ingress of dust, so how to clean these places difficult.
- Set for experiments. If the package includes ready-made samples, the work can begin immediately after purchasing the microscope. This is convenient, but does not play a role when choosing the right device.
- Digital screen. Such a device is suitable as a way to demonstrate the process, since the action can be seen on the display. But the cost is greatly increased, almost all models are connected to an external monitor.
What should be a good microscope:
An important requirement for quality products - binocular or trinocular. Two eyepieces allow you to watch the two eyes do not have a burden for the eyes after prolonged use.
Trinokulyarny mechanism includes an additional pipe for installing the camera, so simultaneous observation is carried out, a photo or video.
Characteristics
- The iris.
- The filter holder
- Scaled up to 2000 times.
- Stage with preparatoderzhatelem.
- Powerful light (lower, upper).
- Accurate, rough focus.
- The AC adapter.
- Adjustable interpupillary distance.
Pros:
- Built-in screen.
- Quality optics.
- Work on the network and stand-alone.
- Diopter vision correction.
- The ergonomic design of the tripod.
- Options set for research.
- Record photos, videos with on your computer.
- The optical microscope scheme calculated to infinity.
Minuses:
- High price.
- Heavy weight or volume.
Best Microscope Soldering
Tool for precision work, soldering, assembly of electronic cards, chips. In the repair and restoration of electronic devices, there is a need for soldering small parts. Most of the cases involves search microcracks motherboards.
The device is equipped with a manual focus, smooth change of magnification, illumination.
Rating:
- Konus Crystal PRO 7-45X Stereo - the most versatile. Trinocular device is intended for soldering, jewelry workshops, dental laboratories.
Binocular and stereoscopic nozzle complementary product capabilities. Distance, diopter adjustable, regulated halogen lighting.
- Andonstar A 1 - the most productive. The increase reaches 500x by changing the distance to the considered object. A distinctive feature is considered to be low cost.
Components nozzle includes a mirror lights is adjustable. If necessary, it connects to the computer that is convenient and effective.
- Bresser Advance ICD - the most professional. Large surface provides a place for the smooth conduct of assembly operations, research facilities and 40 mm high.
The head of the microscope is rotated by 360 degrees, so it is used for monitoring multiple users without moving in space.
Characteristics:
- 2.0 megapixel camera.
- An increase of up to 200x.
- Manual focusing and 500 mm.
- Lighting 8 LEDs.
- Power source.
Pros:
- Little weight.
- Adjustable magnification.
- Highlighting object to be repaired.
- Affordable repairs.
- Adjustable sharpness.
Minuses:
- High price.
Best binocular microscope
Rating:
- Levenhuk 2ST - ultra-precise. Long working distance of 60 mm, an increase of 40x. Research subject slides flat, thin sectioned, larger items.
The optical system is made of a special glass, which transmits a high quality realistic image.
- Mikromed 2 Var. 2-20 - the lighting. The brightness is regulated, the device is equipped with a halogen lamp. The basis of the method lies transmitted light bright and dark field, phase contrast.
Objects of study - painted and unpainted sections, smears. The microscope is used for medicine, biology, and chemistry. With the help of the device are carried out diagnostic tests in hospitals, clinics, institutions of higher education.
The image is displayed on a computer screen or notebook when connected videookulyara.
- OptikaM B -157 - the most reliable. The model includes high-quality optics, durable mechanical parts, easy setup, operation. The device is suitable for teaching science.
Ergonomic housing is made of cast metal under pressure. Achromatic lenses, coated with an antifungal compound.
Particular ease of use of the equipment - an observation with two eyes. Option distributes the load evenly, reduces discomfort after prolonged use. Popular model for laboratories.
Characteristics:
- Tube diameter 30.5 mm.
- The range increase of up to 600h.
- Backlight white LED.
- Connecting additional equipment.
Pros:
- High quality.
- Mechanisms of coarse and fine adjustment.
- Large stage.
- Contrast image.
- Rotating nozzle binocular 360 degrees.
- Adjustable interpupillary distance.
- Natural illumination.
Minuses:
- No backlight (some models).
- The vertical position of the eyepieces.
Best microscope for child
Rating:
- Mikromed Eureka 40x-1280h . The device is intended for educational and laboratory work in biology at school, lyceum or other educational institution.
Universal lighting system power (adapter or three batteries) allows the use of the house.
Lenses 4, 10 × studied opaque planar elements. 2MP camera displays the image on the computer screen.
- MP -450 - the most affordable. Microscope double action of sunlight is used when lighting up the mirror, as the position goes from the illumination lamp.
Components includes four slide glasses with the prepared preparations. The object under study - biological materials in the form of sections and smears. Options include Barlow lens, which changes the magnification.
- Levenhuk LabZZ M 101 Lime > - the most stylish. The microscope is made in bright, attractive colors. Optics corresponds to the traditional models.
Standard kit includes 4 additional slide glasses with stickers for marking. Package includes all the necessary materials for research. Retractable eyepiece does not require replacement, so the risk of losing the window does not appear.
To eliminate the fatigue tube is inclined at 45 degrees. The sample is located on a round object table is fixed tightly clamps.
Devices characterized by average power. They assist in the study of botany, zoology, biology, chemistry, physics. The objects of the microworld are considered on a monitor as well as digital devices are connected via USB to a computer, notebook or tablet.
The device is simple to use.
Characteristics:
- Power - network batteries.
- Focusing coarse.
- Brightness is adjustable.
- Number of lenses 3.
- Retractable eyepiece.
- Increased to 640 ×.
- The stage 90 × 90.
- Software Support.
- Touch the camera.
- Resolution 1600 × 1200.
Pros:
- Low power consumption.
- Set for experiments.
- The child is immersed in the fascinating world of science.
- Compact dimensions.
- Rapid start.
- Lightweight but durable devices.
- Battery life (about 20,000 hours).
Minuses:
- A slight increase.
- Optical elements made of plastic.
Best Instrumental microscope
Rating:
- MBS-12 - very smooth. It used in studies of botany, biology, mineralogy, jewelery industry. The increase occurs smoothly without jerks, and 102 ×. The picture is saved at all stages.
The working surface of 79 mm is suitable for the study of large objects. Diopter adjustable.
- Biological microscope BIOLAM M-1 - the most versatile. With the device held in the study drugs and microelectronics field metallography.
Learning occurs in the reflected, polarized light by light and dark fields. An increase of up to 1000 times.
- Bresser Science MTL - 201 - the most professional. The main purpose of the device - metallographic microscope. Indispensable in the mineralogical studies, electronics and precision engineering sector.
The main advantages: large stage with controlled axes, handle coarse and fine adjustment, a combination of the polarizer and analyzer.
Purpose products - monitoring of relatively large objects. It butterflies, insects, crystals, jewelry, fine timepieces. The increase is a hundred times. The volume formed by the individual optical systems for each eye.
Stereomicroscopes used by specialists for obtaining the maximum volume and a sharp image of the object. Operations are carried out with the elements directly on the stage without cover glass.
Products Stationary, equipped with mounting system.
Characteristics:
- Halogen lights.
- Trinocular head.
- Subject table with vernier scale.
- The angle of inclination of 30 degrees.
- Number of lenses 5.
- Power supply network.
Pros:
- Adjusting the light.
- Convenient reversal for the user.
- Possibility of video, photographing.
- Correction diopters, inter-pupillary distance.
- High-quality, bright image.
Minuses:
- High price.
- Large size.
Best laser microscope
Rating:
- 3D microscope NS -3000 - High Speed. Device for precise measuring of objects of imaging in space.
High-speed scanning module, and software algorithms form the image in real time.
With the mechanism checked measured miniature 3D-structure (semiconductor wafers, flat panel displays, glass substrates).
microscope control with adjustable parameters of the power of even a novice, the main control panel and images are in the same window.
- K 1-Fluo - the most productive.
The microscope used in biology and medicine is of excellent quality image due to optical components, high-sensitivity detector, a stable multi-wavelength diode laser.
Optics and mechanism combined with any other type of microscope. The interface has a simple and intuitive control.
The software includes scanning modes, three-dimensional image, a multi-channel detection, sectional view time series.
- Nanofinder S - 3D - the most versatile.
Purpose of the device - when nanolaborotoriyah research assays semiconductors, liquid crystals, optical fibers, polymers, pharmaceuticals, biological agents, single molecules.
The advantage of paper is the selection of lasers automated structure.
Devices increase the image of the objects due to diffraction patterns, which are formed as a result of the explosion particles photons of the laser beam.
Living tissues examined in depth by 1 mm by fluorescence (physical process, luminescence variety). Is the laser system of conventional and semi-transparent mirror.
Devices are used in laboratories for home use are not suitable because of the complexity of the operating principle.
Characteristics:
- Scaled up to 100x.
- The measuring range height - 70 mm.
- High-sensitivity sensor.
- The number of detectors to 4.
- scan resolution of 2048 × 2048.
- Electronic control.
Pros:
- A clear, bright image.
- Optical high resolution.
- Construction of confocal images in real time.
- Autofocus, recruitment increase.
- Simple analysis mode.
- Tissue investigated laser photons, virtually destroyed.
- It provides a high spatial resolution.
Minuses:
- It requires expensive optical resources.
- The beam is absorbed by water tissues.
The best demonstration microscope
Rating:
- Celestron - the most modern. Innovative design includes a display instead of a conventional eyepiece. Viewing the image is suitable for a single person or group.
research objects - parts of the plants, the animals, the fiber tissues, bacteria, mold, yeast.
- METAM BGN 32 - the most accurate. It is used for studies of metal microstructures alloy opaque objects in the reflected light (bright, dark field) and polarized light.
Distinctive elements of the microscope - the new lenses without chromatic color contours, wide-angle eyepieces. Raster lighting system improves uniform illumination of the object.
Scope - metallurgical, machine-building enterprises.
- Bresser LCD 50x-2000x - the most secure. The model is characterized by high and rich optics bundle.
Suitable for demonstration, training school and university students, professional research numismatics, philately and other minor works. Microscope protected network adapter from electrical surges.
The screen size allows for research without having to connect to another monitor. The image is enlarged, fixed photo, video.
The device is equipped with an LCD monitor for surveillance or investigation of objects group of users (pupils, students, scientists and other specialists). Demonstration microscope is used in the learning process.
Characteristics:
- Eyepieces 10h22,5 mm.
- Moving table 40 is longitudinal, transverse 130.
- The maximum load of 3 kg.
- The increase 1500-2000h.
- The digital camera of 5 megapixels.
- Neon lights.
- USB connectivity.
Pros:
- To save an image.
- a liquid crystal display.
- Precise color reproduction.
- The study of transparent and opaque materials.
Minuses:
- High price.
- A small assortment.
Best polarizing microscope
technology feature is to monitor on a gray or dark background. Considered the image looks sharp and contrast.
Models used for medical and industrial purposes (detection fibers, crystals, semiconductors checking voltage point).
Characteristics
- Acceptable weight to 15 kg.
- The increase in 2000 times.
- Number of lenses 5.
pros
- Modern design.
- Available control handle.
- The lens without the need to focus.
Minuses
- No connection to a PC.
Ranking of the best models
- Mikromed POLAR 3 - the most convenient. Device carries out research transparent and opaque objects with polarized or ordinary transmitted light. The polarizer is rotated by 360 degrees, and the analyzer - 90.
Subject table is round, rotates the angles are fixed. Bertrand lens system. The image is photographed.
- Bresser Science ADL-601P - most equipped. Difference model is considered trinocular head at an angle of 30 degrees, which allows us to study objects at the same time and record findings.
The lighting is adjusted to the specific needs of the experiment.
- Nikon Eclipse EPOL 200- the infinite. A feature of this model is considered a new optical system CFI60, which includes an endless imaging with parfocal distance of 60 mm.
This ensures a clear, bright picture with a large working distances and numerical apertures. The process uses special lenses for observation in transmitted polarized light.
Best technical microscope
Instruments are needed professionals in the performance of small, precision repairs, including soldering, cutting tracks on printed circuit boards, search microcracks, short circuit protection, quality control work.
Microscopes use any methods of study - phase contrast, polarization, fluorescence, dark field.
Characteristics
- An increase of 300 times.
- Camera 5 pixels.
- Lens high quality lens.
- 2 eyepieces (15, 10x).
pros
- Infinitely adjustable brightness.
- Compatible with computer programs.
- Antifungal coating.
- The wide field of view.
- Documenting results.
- Professional tripod.
Minuses
- Some shaky tripod mount models.
- Software compatibility issues.
Ranking of the best models
- USBDigiMicro-microscopy Prof- the most professional. Built-in camera transmits clear, sharp enlarged image that captures the finest details.
Photos and videos transferred to PC via USB-connection is used as a product with a tripod, and without. Options are measured distance, area, angles, radii.
- Eclipse E200F/Е200F LED - very high intensity. The device is equipped with a lens Fly-Eye, which guarantees a uniform brightness throughout the work area. The color temperature remains constant at any degree of zoom.
Working distance 60 mm opens up access to a huge number of test materials.
- USB Supereyes microscope B011 - the most telephoto. Technical work is easily carried out with the help of this model, as the working distance between the test object and the lens exceeds the value of all types of microscopes.
When this operation is performed high accuracy, without distortion over the entire space of the object with a 500-fold magnification. All data is transmitted, stored on the computer.
Best School microscope with illumination
Products are divided into simple and complex digital optical. The school distributed simple devices that do not require advance preparation. They are effective, easy to use, equipped with special limiters, springy rims.
Characteristics
- The angle of inclination of 45 degrees.
- An increase of 400 times.
- Number of lenses 3.
- Increasing the camera up to 2000 times.
- Coarse, fine cleaning.
- The stage 90 × 90.
pros
- Paws-holders of the stage.
- Dual illumination from above and below.
- LED, halogen lights.
- Easy application.
- Widefield eyepiece.
- high-quality optics.
- Set for experiments.
Minuses
- A slight increase.
Ranking of the best models
- Levenhuk Rainbow 2L - the most stylish. Bright, multi-colored device, complete with the necessary set of breeding microscopic crustaceans. Increased to 400 ×.
transparent and opaque objects are studied using a double illumination.
- Motic SFC-100FL - the most classic. Device purpose - conducting anatomical, geological experiments. Increasing the object occurs by rotating the turret. The diffuser serves to reduce the brightness.
- Celestron - the most democratic. Dual illumination for the study of transparent and opaque parts. The observations are carried out in real time through the eyepiece or PC through a digital camera screen.
Best Digital Microscope
This group includes the functionality of expensive equipment. They convey an image on a computer monitor, additionally connect a camera, camcorder. Images are stored on a digital storage medium, where they are corrected.
Modern optical instruments, essential for professionals in all areas of science. Due adaptations to perform detailed analysis of the material, microscopic elements.
Application - medicine, chemistry, biology, electronics, materials science.
Characteristics
- Increased to 2000 ×.
- Subject table 140 × 155 mm.
- The nozzle is rotated by 360 degrees.
- 1280 × 1024.
- Scaled up to 650h.
- Number of lenses 4.
pros
- Robust construction. Easy setup.
- Tech, functional equipment.
- Compact products.
- Low power consumption.
- Wide field of view.
- Low strain on the eyes.
Minuses
- Are expensive.
Ranking of the best models
- Levenhuk D870T- the most practical. Digital trinocular suited for employment in scientific research in the field of medicine, biology, forensics, and jewelry work.
Camera 8 megapixel conducts visual observations, it takes pictures.
- EULERComputer 60DC - the most mobile. A study of the microcosm through the camera eyepiece, which captures video, saves photos and video. Options include finished products, colorful guide.
Measurements are carried out with an accuracy of 1 mm. Mobility device guaranteed by mains or batteries.
- DrMike - the most unique and presentable. Appearance microscope striking originality and style. Specifications are also on a high level. Rich equipment complements the capabilities of the device.