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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.

Categories in Optics

Articles in Optics

How to Maintain the Celestron FirstScope 114 Short Newtonian Equatorial Telescope

By eHow Electronics Editor

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You should be able to maintain your Celestron Firstscope without any professional assistance. Follow these steps to keep the device in top condition... more »

How to Maintain the Celestron Firstscope 76EQ Telescope

By eHow Electronics Editor

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If you are dedicated to maintaining your telescope yourself, it should rarely need professional maintenance. Follow these steps to keep your telescope in top condition... more »

How to Move the Meade LX90GPS Schmidt-Cassegrain Telescope Manually to View Objects

By eHow Electronics Editor

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You can manually move your Meade LX90GPS Schmidt-Cassegrain telescope to gain a better view of distant objects such as birds and mountaintops. Just follow these steps... more »

How to Move the Meade LX90GPS Schmidt-Cassegrain Telescope Manually to View Objects

By eHow Electronics Editor

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You do have the option of manually moving your telescope to view objects. In order to complete this task, follow this process... more »

How to Move Through AutoStar's Menus on Your Meade LX90 GPS Schmidt-Cassegrain Telescope

By eHow Electronics Editor

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You will find that AutoStar's menus are organized for clear and easy navigation. The menus will be helpful when you are using your telescope... more »

How to Move Through the Autostar Menus of Your Meade LX90GPS Schmidt-Cassegrain Telescope

By eHow Electronics Editor

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Autostar's menus are organized for straightforward navigation. Follow these steps to reference the menus while using the Meade LX90GPS Schmidt-Cassegrain Telescope... more »

How to Navigate Autostar on a Meade Telescope

By eHow Electronics Editor

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Your Meade telescope comes with a great gadget called Autostar. The Autostar system controls just about all the features of the telescope. It contains the object database, it slews (moves) your telescope to the selected object and controls the ... more »

How to Navigate the Autostar Menus of Your Meade DSX-90 Altazimuth-Cassegrain Telescope

By eHow Electronics Editor

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Autostar's menus are organized for easy navigation. The menus will be helpful when you are using your telescope. Here's what to look for when you access them... more »

How to Navigate the Autostar Menus on the Meade LX90GPS Schmidt-Cassegrain Telescope

By eHow Electronics Editor

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Autostar's menus are organized for straightforward navigation. You can employ them whenever you use your Meade LX90GPS Schmidt-Cassegrain telescope.. more »

How to Navigate the AutoStar Menus on the Meade LX90GPS Schmidt-Cassegrain Telescope

By eHow Electronics Editor

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Meade has organized AutoStar's menus for straight forward navigation. Here's how to use them... more »

How to Observe a Star by Moving Your Meade DS-2000 Series Reflecting Telescope with AutoStar's Arrow Keys

By eHow Electronics Editor

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To collect light and form an image, reflecting telescopes use a concave primary mirror. The Newtonian reflector uses a small secondary mirror located to the side of the main telescope tube in order to reflect light and create an observable image. ... more »

How to Observe a Star by Moving Your Meade DSX-125C Altazimuth-Cassegrain Telescope Manually

By eHow Electronics Editor

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There may be times when you would like to move your telescope manually rather than using Autostar. This process is usually done with distant land objects, such as a mountaintop or a bird. However, you may also use this process to observe a star... more »

How to Observe a Star By Moving Your Meade DSX-90 Altazimuth-Cassegrain Telescope With AutoStar's Arrow Keys.

By eHow Electronics Editor

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From a distant ship to a visible planet, many people enjoy viewing all sorts of objects through their telescope. If you are a telescope enthusiast, you know that you often want to change focus from one object to another. With a Meade telescope, ... more »

How to Observe a Star Using Autostar Automatic Tracking with a Meade DS-2000 Series Reflecting Telescope

By eHow Electronics Editor

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Autostar's automatic tracking can locate a star, then keep it centered in your telescope's eyepiece... more »

How to Observe a Star Using Autostar's Automatic Tracking Feature With Your DSX-125C Altazimuth-Cassegrain Telescope

By eHow Electronics Editor

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Because the Earth continuously rotates, your DSX-125C Altazimuth-Cassegrain telescope should automatically track stars so that you don't have to readjust the device. If you follow these instructions, the star should remain in the center of the ... more »

How to Observe a Star Using the Automatic Tracking Feature of the Meade LX90GPS Schmidt-Cassegrain Telescope

By eHow Electronics Editor

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Setting your telescope to automatically track objects as the Earth rotates will eliminate the need to constantly readjust your device. As the telescope automatically tracks an object, it will generally remain in the center of the eyepiece... more »

How to Observe a Star with Your Meade LX-90 Schmidt-Cassegrain Telescope Using the Automatic Tracking Feature

By eHow Electronics Editor

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While stargazing with your Meade LX-90 telescope, use Autostar to quickly find heavenly objects. Manipulate the arrow keys to find your star, and then use the tracking feature to keep it centered in the eyepiece for observation. Here's how to do it... more »

How to Observe an Object by Moving Your Meade LXD 75 Series Telescope Manually

By eHow Electronics Editor

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Observing objects with your telescope is a fascinating hobby for many. You will be able to see all sorts of objects you have only read about in books or seen in movies. By following these steps, a whole new world will open up to you through your ... more »

How to Observe an Object While Moving the Meade LX90 Schmidt-Cassegrain Telescope Manually

By eHow Electronics Editor

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The Meade LX90 telescope generally operates in automatic mode. While you observe an object, the device adjusts to maintain concentricity as the earth rotates. However, certain objects, such as satellites and planes, do not maintain consistent ... more »

How to Observe an Object with Your Meade LX-90 Schmidt Cassegrain Telescope Using Autostar

By eHow Electronics Editor

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Knowing where to find the best objects and having a properly aligned telescope puts you in the best position for great star watching. Using Autostar with your Meade LX-90 can help explore the heavens like a professional just by pushing a button! ... more »

How to Observe Objects in Infrared With Your Meade NightView Digital Night Vision Monocular

By eHow Electronics Editor

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The Meade NightView is a digital night vision observing device you can use both day and night. NightView is portable and easily fits your hand. The low-light device is ideal for the outdoorsman, boater, nature hobbyist and anyone seeking an ... more »

How to Observe satellites With the Meade 10in LX90GPS Schmidt-Cassegrain Telescope

By eHow Electronics Editor

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Sometimes, observing man-made objects in space catches someone's attention. Curiosity might drive you to find out what a high tech gadget looks like in outer space. If you are interested in viewing a satellite pass, follow this procedure... more »

How to Observe Satellites with Your Meade LX-90 Schmidt-Cassegrain Telescope

By eHow Electronics Editor

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In addition to observing the stars, you can also observe satellites using your Meade LX-90 telescope. Just follow these steps... more »

How to Observe Satellites With Your Meade LX90GPS Schmidt-Cassegrain Telescope Using Autostar

By eHow Electronics Editor

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The database for the Autostar computer controller on your Meade LX90GPS telescope contains the orbits for dozens of space stations and GPS satellites. You can automatically locate them by following these steps... more »

How to Operate the ATN Night Spirit Night Vision Monocular

By eHow Electronics Editor

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The ATN Night Spirit Night Vision Monocular is a lightweight and versatile night vision device. There are several versions of Night Spirit Night Vision Monocular offered by ATN. Refer to your user manual for specific concerns pertaining to your ... more »