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.

Categories in Optics

Articles in Optics

By eHow Electronics Editor 0 comments
Before setting up your Celestron Firstscope 114 Short Telescope's tripod, you will need to locate and unpack the tripod mounting hardware, the tripod accessory tray, the German equatorial mount and the tripod legs... more »
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The Meade DSX-90 telescope comes with a versatile tripod for use on uneven and rough terrain. You can adjust for this by extending or spreading the tripod legs with the lock knobs and spreader bar: two key components of the tripod. To set up the ... more »
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The telescope’s fork mount attaches directly to the field tripod. The telescope in this way is mounted in an “Altazimuth” (“Altitude-Azimuth,” or “vertical-horizontal”) format. The telescope in this configuration moves along vertical and ... more »
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The Sky-Watcher SK909AZ3 refractor telescope is an ideal choice for all those who desire to do serious sky watching. This telescope comes with an aluminum tripod that is part of a quick and neat assembly. The tripod height ranges from 71 to 123 ... more »
By eHow Electronics Editor 0 comments
Before setting up your Celestron Firstscope 114 Short Telescope's tripod, you will need to locate and unpack the tripod mounting hardware, the tripod accessory tray, the German equatorial mount and the tripod legs... more »
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The Sky-Watcher SK1025AZ3 is a 102 mm telescope with a tripod height of 71-123 cm. It is a multi-coated achromatic refractor telescope considered good for beginners as well as those traveling frequently. Here is how to set up the tripod for the ... more »
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The Sky-Watcher SK1206AZ3 Short Tube Refractor telescope is a heavy instrument. It is difficult to hold in your holds while viewing distant objects.Sky-Watcher provides a tripod to lend stability to the telescope. Setting up the tripod for the ... more »
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The Sky-Watcher SK705AZ3 is a portable and short tube refractor telescope that allows you to set up your observatory anywhere. It is easy to dismantle and can be set up quickly whenever required. You can set up the tripod for SK705AZ3 by ... more »
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Sky-Watcher SK707AZ2 is an ideal choice for those who intend to view objects in the sky minutely. This model comes with an aluminum tripod that can help in better viewing of images. The tripod height ranges from 71 to 123 centimeters and can be ... more »
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Setting up the tripod for your telescope stabilizes the device. Closely following these directions will protect your device from damage... more »
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Setting up the tripod on your Meade LX90GPS telescope will stabilize the telescope and protect it from damage during use. Here's how to do it... more »
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A rangefinder is a device that helps measure distances for construction workers, photographers and outdoor enthusiasts. There are dozens of rangefinders available on the market today, from simple add-ons to your camera to elaborate ultrasonic ... more »
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A rifle scope, which is a telescopic sight designed to improve your aim when firing a weapon, may come in many different sizes and magnification ratings, as well as crosshair types. When you shop for a scope, you will need to choose the one that ... more »
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The world of high-tech optics is continually evolving, and along with new, feature-rich cameras, binoculars, telescopes and other optics come some interesting accessories. Enhance the quality of photography, wildlife observation or astronomical ... more »
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The Celestron VistaPix 8 x 32mm binocular/digital camera combination offers a wide range of features. From the most basic functions (such as taking a picture) to the most complex, the VistaPix is user-friendly, logically designed and easily operated... more »
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Since the Earth continually rotates, any objects you view through your Meade telescope will appear to move. Your telescope should automatically track objects so that you don't have to constantly readjust it. As the telescope tracks, the object ... more »
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Because the Earth is constantly rotating, you will want your telescope to automatically track objects so that you are not constantly readjusting the device. As the telescope automatically tracks an object, it will generally remain in the center ... more »
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Because the Earth is constantly rotating, your telescope must automatically track objects so that you are not constantly readjusting the device. As the telescope automatically tracks an object, the object will generally remain in the center of ... more »
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As the Earth rotates beneath the night sky, the stars appear to move from east to west. The speed at which the stars move is called the sidereal rate. You can setup your telescope to move at the sidereal rate so that it automatically "tracks" the ... more »
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To track stars through the Celestron Firstscope 114, you first must achieve rough polar alignment. Follow this procedure to accomplish the task... more »
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If you are interested in tracking stars, you need to achieve rough polar alignment. Follow these procedures to accomplish the task on a Celestron Firstscope 76EQ Telescope... more »
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The SkyWatcher SK804AZ3 is a portable tube refractor telescope. It is easy to set up the tripod whenever and wherever you want. Here’s how to do it... more »
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Once you turn on the time stamp function in your Celestron VistaPix binocular/digital camera, any photo you save will display a time and date. This is useful if you organize your photos chronologically. There will be occasions, however, when you ... more »
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There are several versions of Night Storm Night Vision Monocular offered by ATN. Refer to your user manual for specific concerns pertaining to your version. The Night Storm Night Vision monocular consists of the objective lens assembly, ... more »
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The Celestron Vistapix aims to give you all the functionality of your digital camera within a larger combined unit. Most functions are very easy to use. A great example of this is the self-timer function, which ensures everyone can get in on the ... more »