You've Selected
Category
» Electronics » Optics remove
clear your selections
Narrow Your Selections

Optics

Optics

From microscopes to telescopes, rifle scopes to night vision, eHow’s got the optics information you’re looking for. In the market for binoculars? On the hunt for the perfect optical accessories for the bird watcher in your life? Advice from eHow experts make shopping for optics easy. Having trouble getting a good look at Mars on a perfectly clear night? Learn how to focus a telescope. From sighting wild game to locating a paramecium on a microscope slide, see it all with step-by-step instructions from resident experts.

Sort by:
Best Match
Most Popular
Newest

Showing 1-50 of 610 results

  • How to Load From Sony Camcorder to Mac

    Sony makes a variety of different camcorders that can be used for everything from shooting short videos for the Web to shooting full-length films. If you have a Macintosh computer you can transfer...

  • Four Types of Microscopes

    Microscopes are imaging aids that allow us to see detailed pictures of objects too small to be seen with the naked eye. These scientific instruments come in different power magnifications. Without...

  • Neodymium YAG Characteristics

    Neodymium YAG is a type of crystal used as the primary lasing medium for certain high-power lasers. A lasing medium is the material through which a normal beam of light passes; as the beam exits...

  • How Do IR Sensors Work?

    Infrared is light that has a wavelength longer than visible red light. The ranges of infrared include near infrared, mid infrared and far infrared, spanning wavelengths from about 710 nanometers...

  • What Is a Light Curtain?

    A light curtain is an array of photoelectric light that releases and receives modulated light beams used to detect the presence of a vehicle.

  • Type & Uses of Light Bulbs

    There are many different types of light bulbs available, so many that it can be confusing to choose the right light bulb for the job. However, the kind of bulb that is used can make a noticeable...

  • How Do Pressure Regulators Work?

    Valve trains are devices that are used to control the flow of air or liquid in and out of a closed system. Pressure regulators are a self-controlling form of valve train that control the flow of...

  • Fluorescent Lightbulb Health Dangers

    Fluorescent light bulbs are becoming more popular because they use less energy and last longer than incandescent bulbs. However, the negative effects of fluorescent bulbs must be understood...

  • The History of Goniometers

    Goniometer is an instrument that measures angles and allows for objects to be rotated to a particular angular position. In 1669, Niels Stensen identified a very important characteristic of...

  • Components of an Olympus CKX41 Microscope

    The Olympus CKX line of inverted microscopes includes the CXK31 and CKX41 models. The CKX41 microscope is a specialized scientific microscope for checking cell viability in Petri dishes, culture...

  • How to Clean & Adjust an 8Mm Projector

    8mm projectors have not been made for many years, and so those still in use have suffered from neglect and lack of care. This can make them work erratically when turned on and can damage the film...

  • LED Lighting Technology

    As the world becomes increasingly concerned about energy resources, new and more energy-efficient technology is being developed and enhanced. Light emitting diodes (LEDs) are an example. Lowering...

  • How Laser Pointers Are Made

    First, the laser diode is constructed. This is the portion which will actually radiate light once activated. A rectangular length of clean, inert plastic is prepared. Atop it is laid a series of...

  • How to Construct an LED Flashlight with Brightness Control

    The letters LED stand for Light Emitting Diode. The important thing to remember about LEDs is that they produce light when a current flows through them in only one direction. They do not work the...

  • How to Lasers Elements

    We use lasers every day in supermarket checkout lines, CD players, and to transmit most telephone signals, medicine, industry, and defense. So lasers helped us in doing a lot of things. If you are...

  • What Will Holograms Be Used for in the Future?

    Generated from the constructive interference of scattered light, holograms are three-dimensional representations of physical objects. To holographically capture an object, shine a primary light...

  • The History of the Theodolite

    A theodolite is a tool for measuring vertical and horizontal angles. It is used in triangulation networks. It looks like a small telescope and is used everywhere from construction sites to highway...

  • What Is an LED Light?

    LED is an acronym for light emitting diode. LED lights are used in many modern-day electronics, from flashlights to computers and many other items. These lights have become less expensive to...

  • Compound Vs. Light Microscopes

    Compound microscopes use two lenses to magnify a specimen, whereas light microscopes use only one lens. Another major difference between compound microscopes and light microscopes is their power...

  • Parts of the Light Microscope

    Light microscopes, also known as optical microscopes, are fundamental magnification devices that have been used by the scientific community for over four centuries. The ultimate limit for a light...

  • Electron Structure of Atoms

    The electron structure of the atom is very complex; discoveries concerning the physical properties of electrons and the chemical reactions that take place between them have led to countless...

  • How to Zero a Scope On a Rifle

    Sighting in a rifle can be a tedious process, but with the proper preparation and technique it's not a difficult task.

  • Types of Flashlight Bulbs

    Flashlights are designed to be portable sources of light for use both in the home and on the go. The bulbs used in flashlights vary, and there are three primary types of bulbs, including...

  • About Alkaline

    Alkaline is the adjectival form of the noun alkali and it refers to elements that have an oxidation number (the charge on the central atom) of +2. Alkali is an ionic, basic salt of an alkaline...

  • NiMH Battery Charger Instructions

    NiMH batteries can be recharged and used multiple times. These batteries are easy to charge at home with an NiMH battery charger. Learning to use the charger is simple and can be done in just a...

  • Digital Watch Instructions

    Digital watches can help you keep track of time, and additional features commonly found on digital watches, like alarms and chronographs, make digital watches all the more helpful. Learning to...

  • Definition of Kindle

    For years, pundits have used the rise of portable computing to predict the death of the written book. However, the high price of these so-called readers coupled with a lack of compatible reading...

  • What Is a Circular Polarizing Filter?

    Light radiates from its source randomly and equally in electromagnetic waves. Light polarization most often occurs because of reflection. Polarizing filters are used in photography and science to...

  • How Does a Diamond Tester Work?

    A diamond tester of several years' age is no match for today's variety of diamond simulants and synthetics, especially since those simulants have all the chemical properties of a real diamond. A...

  • The Laws of Magnets

    Magnetism is a force that is created when objects are attracted or repelled by one another. A magnetic field is the area around a magnet. The larger the magnet and the closer an object is to the...

  • Definition of Barcodes

    Barcodes are an easy way to track packages, manage inventory and define prices for thousands of items. Barcodes also provide a way to set up an automatic sorting system for businesses.

  • Facts About Xenon Bulbs

    Those extra bright, blue hued headlights heading toward you on the highway are xenon bulbs. While far more expensive than regular halogen lamps, xenon headlamps in autos last up to three times...

  • Timex Watch Instructions

    Timex digital watches provide reliable time-keeping, as well as a host of other popular features such as an alarm and compass. Learning how to use a Timex digital watch is simple, leaving you time...

  • What Is Infrared Light?

    Infrared light is one of the most commonly discussed forms of light within the spectrum. At the most basic, infrared light is referred to as heat; it is a type of radiation, the wavelengths of...

  • How Sony NightShot Works

    What we call "light" is actually several small packets of energy called "photons." A photon can carry different amounts of energy, which causes the photon to vibrate at a certain frequency. These...

  • Magnification Vs. Resolution

    Words in the English language are often confused with each other, or incorrectly used interchangeably. "Magnification" and "resolution" are two words that really mean something quite different.

  • Canon Vs. Nikon Lenses

    Canon and Nikon are both optical companies first. Canon formed in the United States in 1965, while Nikon formed as the merger of three optical companies in Japan, in 1917. Both companies make...

  • An Introduction to Wavelets

    Wavelets are mathematical functions that are used to focus data into different frequency components, based on space and scaling. Essentially, it is the study of analysis according to scale. They...

  • Things to Do With Laser Pointers

    A laser pointer is a small device that shines a distinct spot of light onto the surface of an aimed-at point. It is usually small enough to fit on a key chain. Sometimes a laser pointer has the...

  • History of Night Vision Goggles

    Modern militaries of the world pride themselves on being on the cutting edge of technology, which allows them to conduct operations in all facets of warfare. One invention that has become a...

  • How Long Do Batteries Last in a Flashlight?

    There are a number of factors that will affect the lifespan of batteries in a flashlight. These include what type of batteries they are (whether they're A, AA, AAA, or 9 volt), how big the...

  • Most Powerful Keychain Laser Pointers

    Laser pointers that fit on your keychain are usually small and pack a low punch in nanometers, which is the distance you would be able to see the laser clearly in complete darkness. The average...

  • 10 Megapixel Vs. 8

    The resolution of a picture taken with a digital camera is typically represented by its megapixels. Unlike traditional photos, digital pictures are made up of thousands of tiny dots called pixels....

  • How Flashlights Work

    A flashlight's shaft houses its circuitry and power source. Batteries, both rechargeable and disposable, are used to power the flashlight's bulb. Power travels from the batteries, along a series...

  • Types of Lighting Used in Theaters

    Theater lighting is a very important part of theatrical productions. Different types of lighting work in specific ways to create the correct mood. If the wrong type of lighting is used, and the...

  • Olympus E-410 Vs. E-420

    The Olympus E-420 was introduced in March 2008, a year after the launch of its sibling, the Olympus E-410. The digital cameras are similar single-lens reflex models (SLRs) capable of taking...

  • How LEDs Work

    An LED is a light emitting diode that rests on a semiconductor material (aluminum gallium arsenide). The LED bulb has no filament, so it won't burn out like an incandescent light bulb. The...

  • Sony Vegas 6 Tutorials

    Sony Vegas 6 is the sixth version of the company's popular video editing program. Vegas is used by both consumers for home movies as well as small companies and videographers who need an...

  • The History of the X Ray Machine

    The ability to see through certain objects has long been a dream doctors, the military, and safe crackers. Thanks to one of the greatest inventions in medical history, the X-Ray Machine (or, more...

  • Psychedelic Lighting Effects

    The use of hallucinogenic drugs in the 1960s and 70s gave birth to the idea of light shows. These shows used psychedelic effects to produce swirls of color and light that were intended to make a...

More

Copyright © 1999-2009 eHow, Inc. Use of this web site constitutes acceptance of the eHow Terms of Use and Privacy Policy.   en-US

Demand Media