AmScope Binocular Stereo Dissecting Microscope 20x-40x-80x

AmScope Binocular Stereo Dissecting Microscope 20x-40x-80x Review

Prices as of : Oct 11, 2012 19:30:03
Listprice : $700.00
Offier Price : $138.50
You Save : $561.5

AmScope Binocular Stereo Dissecting Microscope 20x-40x-80x Feature

• Three Magnification Power Settings: 20X, 40X & 80X
• Built-In Both Incident (top) Lighting and Transmitted (bottom) Lighting
• Sharp Stereo Erect Images over a Wide Field View
• Great for Exploration of the World of Surface Details and Fine Structure
• Perfect for Examination of Insects, Plants, Rocks, Stamps, Coins, Jewel,

AmScope Binocular Stereo Dissecting Microscope 20x-40x-80x Overview

This binocular stereo microscope comes with three magnification power settings, 20X, 40X & 80X, and a versatile illumination system that provides both incident (top) lighting and transmitted (bottom) lighting. You can choose between incident illumination shining down onto the object or transmitted illumination through the frosted stage plate. The first is used for the observation of three-dimensional objects and the second for the observation of slides. This microscope offers high resolution and good depth within a broad field of view. It gives sharp clear stereo images. Its 45° inclined binocular head ensures an easy observation and rubber eyeguards provide further comfort. This microscope is useful for many applications. It can be used in geology, forestry, archaeology, agriculture, biology and is appropriate for educational purposes in hospitals and schools. It is great for the exploration of the world of surface details and fine structures of various materials like wood, metal, solder, semiconductor and stone. It is perfect for the examination of insects, plants, rocks, stamps, coins, jewel, soldered points, microelectronic components or virtually any three dimensional objects. This scope is an ideal tool for watchmaker, jeweler, engraver, dies-maker, philatelist, coin collector, students, and etc. It comes with first-class quality and affordable price. It is brand new in factory-sealed box. The retail value of this microscope is 0.

*** Product Information and Prices Stored: Oct 11, 2012 19:30:03

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10x - 30x Binocular Stereo Microscope with Dual Lights

10x - 30x Binocular Stereo Microscope with Dual Lights Review

Prices as of : Oct 10, 2012 14:45:03
Listprice : $219.99
Offier Price : $199.99
You Save : $20

10x - 30x Binocular Stereo Microscope with Dual Lights Feature

• 10x & 30x 3D Stereo Magnification with Wide Field 10x Eyepiece Set
• Built-in Upper & Lower Halogen Lighting 
• 45 Degree Inclined Binocular Head -- Interpupilary distance adjustable between 55-75mm
• 76mm Working Distance From Lens To Object
• Frosted Glass Specimen Holder & Reversible Black/White Specimen Holder Included 

10x - 30x Binocular Stereo Microscope with Dual Lights Overview

This is a brand new, factory sealed, Variscope Series 833 microscope. The Variscope microscope family of optical instruments is made by one of the largest "private label" optical fabricators in the world. This microscope is designed for high quality viewing of a wide range of specimens. This microscope is manufactured with an internally rotating dual 1x - 3x stereo objective made from premium ground optical glass. Used in conjunction with the included wide field 10x stereo eyepieces, you can achieve magnifications of 10x and 30x right out of the box. The microscope head sits at a comfortable 45 degree incline. The eyepieces sit in a gemel type assembly, allowing for maximum flexibility in adjusting the interpupillary distance. The left eyepiece holder includes an independently controlled diopter focusing adjustment, and molded rubber eyecups are provided for your comfort. The focusing knob is on both the right and left side of the scope allowing for easy adjustment with either the right or left hand. This microscope comes with a built-in upper and lower light source. You can toggle either the upper or lower light to illuminate both transparent and opaque specimens. Spare halogen bulbs are included with your microscope. The working distance between the objective turret and the object is 76mm. This microscope includes a plastic dust cover to keep your microscope in clean dust-free condition. The microscope comes with a frosted glass specimen holder and also a reversible black & white specimen plate.

*** Product Information and Prices Stored: Oct 10, 2012 14:45:03

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What Are the Types of Microscopes?

An electron microscope can offer a someone many separate types of advantages over other microscopes. If someone has never used one of the many types of electron microscopes, then they are seriously missing out.

This type of microscope offers more clarity and a best magnification than most any other type of microscope on the market. In order to choose the best type of the many electron microscopes, a someone must understand the discrete types that are available for them to enjoy.

Microscope

Three types of them exist. They are the transmission electron microscope, the scanning electron microscope, and the scanning-tunneling electron microscope. The primary of all of these types of devices is the transmission electron.

The Tem, as it is ordinarily called, transmits electrons straight through a small slice of a specimen in order for the image to be seen. These types of devices are great for finding inside the cells of beings on the planet. Much has been learned by using these microscopes for finding all types of discrete cells.

Other types of the electron expedient are the scanning tunneling microscope and the scanning one. Both types of devices allow for a more in depth look than most other type of microscopes. The scanning microscope can indubitably allow scientists to view items in 3-D because of the excited atoms that are on a specimen.

The tunneling microscope indubitably creates a tunneling current between the electrons on a specimen and the microscopes tip to make the image. These are both very high tech microscopes that can be used to see farther into a specimen than previously notion possible.

An electron one can give a much more in depth view. Population once only had an idea of what cells and other invisible items looked like. Thanks to the invention of the electron microscopes and the discrete types that are available, a someone can see these items in a three dimensional view that can make learning these items better. Microscopes are the wave of the time to come in today's current high tech world.

What Are the Types of Microscopes?

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Light Microscopes And Their Parts

The term "light microscope" is a normal term that needs a bit of clarification. Just about all microscopes use a light source to illuminate the sample or specimen. This is why they are called light microscopes.

There are some types of light microscopes together with straightforward (single lens) optical microscopes, aggregate (several lenses) microscopes, stereomicroscopes and digital microscopes. Light microscopes have varying levels of magnification available. With the irregularity of the stereomicroscope, these usually have a magnification range somewhere in the middle of 20X and 1500X. The stereomicroscopes have a lower magnification range of in the middle of 20X and 200X due to the fact that they are used primarily to study the surfaces of larger specimens.

Light Source Microscope

In a nutshell, here is a list of the parts of a light microscope.

1. The base is just that: a base that the microscope stands on and allows it to be free standing.

2. The stage is where the sample or specimen slide is placed. There are two metal clips that hold the slide in place.

3. On the stage is a small opening in the center called an aperture. The sample is situated over the cleft for viewing and is held by the clip son the stage.

4. Below the stage is the light source. This is naturally a small light bulb that shines upwards straight through the aperture, thus illuminating the sample. Some microscopes have a diaphragm in the stage that controls how much light is passed straight through the aperture. Note: Stereomicroscopes use two light sources to produce a 3D image to the viewer. The light source can be situated above the stage as in the case of digital microscopes. These microscopes are called inverted microscopes.

5. Directly above the stage is the nosepiece that contains the lenses used to magnify the sample. The nosepiece holds the lenses. The nosepiece rotates so the viewer can select the one they want to use.

6. The lenses, also called objectives, are held by the nosepiece and have separate magnification powers, usually from 2X to 15X or 20X.

7. The arm seems to associate the base to the upper parts of the microscope. It is used to carry the microscope.

8. The tasteless adjustment knob is located on the side of the microscope. It is used to focus the sample. This knob can move either the stage or the upper parts of the scope.

9. The fine adjustment knob is also located on the side of the scope. This is used to fine-tune the focus after the tasteless adjustment has brought the sample into view.

10. The body or tube holds the eyepiece(s) and connects it to the nosepiece lenses.

11. The eyepiece is what you look into. The eyepiece has a magnifying power of roughly 10X.

So now you know all the parts of the microscope, you can intelligently tell your friends all about it. Knowing what the microscope's parts are helps the user to be more comfortable their first time out. It also helps if you need to order change parts later on.

Light Microscopes And Their Parts

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20x + High WorkDist Binocular Microscope w Light

20x + High WorkDist Binocular Microscope w Light Review

Prices as of : Oct 06, 2012 03:00:04
Listprice : $305.23
Offier Price : $277.48
You Save : $27.75

20x + High WorkDist Binocular Microscope w Light Feature

• 5x ,10x, 20x 3D Stereo Magnification 
• Ultra-High Working Distance: 250mm at 5x, 10x. 230mm at 20x
• Wide Field of View: 40mm at 5x, 10x, 20mm at 20x
• 45 Degree Inclined Binocular Head -- Interpupilary distance adjustable between 55-75mm
• Large Range Boom Style Mount

20x + High WorkDist Binocular Microscope w Light Overview

This is a brand new, factory sealed, Variscope Series 833 microscope. The Variscope microscope family of optical instruments is made by one of the largest "private label" optical fabricators in the world. Most stereo microscopes require the microscope objective (head) to be positioned around 75mm-110mm (2.9 -- 4.3 inches) from the specimen. This can make it difficult to observe very large or particularly odd shaped objects. This microscope is an ultra-high working distance microscope that uses to slide-in objective lenses to provide 230mm -- 250mm of working distance. That means you can observe specimens from nearly 10 inches away, which is ideal for irregular objects. Included with this microscope are two slide-in objective lenses, 0.5x and 1.0x made from ground optical glass. Used in conjunction with the included wide field 10x and 20x stereo eyepieces, you can achieve magnifications of 5x, 10x and 20x right out of the box. The main microscope head sits at a comfortable 45 degree incline. The eyepieces sit in a gemel type assembly, allowing for maximum flexibility in adjusting the interpupillary distance. The left eyepiece holder includes an independently controlled diopter focusing adjustment, and molded rubber eyecups are provided for your comfort. The focusing knob is on both the right and left side of the scope allowing for easy adjustment with either the right or left hand. In addition, the microscope has a flex-hinge at the mid point of the boom arm, allowing it to be tilted at any angle. This microscope comes with a built-in 10w incandescent light that can be independently aimed. This microscope includes a full-sized plastic dust cover to keep your microscope in clean dust-free condition.

*** Product Information and Prices Stored: Oct 06, 2012 03:00:04

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Black USB Digital Microscope 2 Mega Pixel Video Camera Microscope 20-200X

Black USB Digital Microscope 2 Mega Pixel Video Camera Microscope 20-200X Review

Prices as of : Oct 02, 2012 20:00:06
Listprice :
Offier Price :
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Black USB Digital Microscope 2 Mega Pixel Video Camera Microscope 20-200X Feature

• Use in Inspection dissection/examination, Plant dissection/examination, Skin examination, Scal examination, Textile Inspection, Jewelry Inspection, Collections/Coin Inspection, Printing Inspection, PCB or PCBA Inspection and so on.
• Image sensor: 2 Mega Pixels. Video Capture Resolution: 160x120,320x240,640x480,1280x1024. Still Image Capture Resolution: 160x120, 320x240,640x480,1280x1024.
• Exposure: Auto. Photo format: JPEG. Light source: 8 LED. PC interface: Mini USB1.1&2.0.
• Power source: 5V DC from USB port. Gray scale: Level 8. Sleep current:£¼1 mA. Work current:£¼180 mA. Magnification Ratio: 20x to 200x.
• Operation system: Windows XP, Vista, Win7, Mac OS X 10.5 or above. Color£ºBalck.

Black USB Digital Microscope 2 Mega Pixel Video Camera Microscope 20-200X Overview

Description:
USB Digital Microscope is a good quality to use in Inspection dissection/examination, Plant dissection/examination, Skin examination, Scal examination, Textile Inspection, Jewelry Inspection, Collections/Coin Inspection, Printing Inspection, PCB or PCBA Inspection and so on.
The microscope is made up of high-quality IC and electronic components,with clear image quality, low power consumption, high-resolution, applies to small objects to be larger£¬photo and video production, is the best choice of small objects recognization.

Product Features:
1. Image sensor: 2 Mega Pixels.
2. Video Capture Resolution: 160x120, 320x240,640x480,1280x1024.
3. Still Image Capture Resolution: 160x120, 320x240,640x480,1280x1024.
4. Exposure: Auto.
5. Photo format: JPEG.
6. Light source: 8 LED.
7. PC interface: Mini USB1.1&2.0.
8. Power source: 5V DC from USB port.
9. Gray scale: Level 8.
10. Sleep current:£¼1 mA.
11. Work current:£¼180 mA.
12. Save temperature: -20¡ãC to +60¡ãC.
13. Work temperature: 10¡ãC to +40¡ãC.
14. Magnification Ratio: 20x to 200x.
15. Operation system: Windows XP/Vista/ Win7/Mac OS X 10.5 or above.
16. Color: Balck.

Package Included:
1 x USB Microscope
1 x Stand
1 x CD Driver


*** Product Information and Prices Stored: Oct 02, 2012 20:00:06

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History of Microscopes

Hans Janssen and Zacharias Janssen are held to be the inventors of the microscope, according to the recorded letters of the Dutch envoy, William Boreel. The invention was colse to the year 1595. Galileo Galilei industrialized a aggregate microscope using a convex and a concave lens in the year 1609. The formulation of Christian Huygens in the 17th century, the straightforward 2-lens ocular law with achromatic improvement is favorite even today. Anton van Leeuwenhoek popularized the functionality of the instrument among the biologists and the credibility, the "Father of Microscopy" is ordinarily awarded to him. Leeuwenhoek made his famous particular lens microscope in the year 1673.

During the beginning years of invention, the microscope was a toy in the rich houses. The first significant discovery using microscopes was about the circulating blood law of the human body. It then led to many significant discoveries for mankind. The steps such as the improvement of spherical aberration, use of achromatic lenses etc were appreciated while the 1820's. August Kohler introduced the microscope lamp with filters in 1880. He also finalized the condenser position to contribute the best image projection. The law of the microscope was published by Ernst Abbe in 1873. In the same year, Ernst Leitz introduced the microscope with a revolving mount for 5 objectives. The oil immersion lens was used from the year 1878, and the apochromatic objective was introduced into microscopy by Ernst Abbe in1886.

Microscope

The first industrial Uv microscope was presented by Zeiss in 1904. In 1930, Fritz Zernike invented the phase dissimilarity microscope, which helps to study transparent living things. The revolutionary Tem electron microscope of Ernst Ruska and Max Knoll was introduced in 1931 and the scanning electron microscope was evolved later in 1937. Yet another milestone in the history of microscopes is the scanning tunneling microscope invented in 1981 by Gerd Binnig and Heinrich Rohrer, which help to visualize the atomic level 3D buildings of objects. The scanning laser confocal microscope was commercially ready from 1983.

History of Microscopes

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