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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.
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Spy cameras are used by corporations and individuals to invade our privacy every day. We don't see them because they are so small, and they're hard to find even if you know that one is there. The...
Telescope Buying Guide: Finder Scopes
When buying a telescope, select a finder scope that is comfortable to look through. Decide what type of finder scope to purchase for a telescope with the buying tips in this free video on home...
The Sky-Watcher SKMAK102SP Maksutov-Cassegrain Spotting Scope is a portable and powerful telescope. Know that it has a focal length of 1300mm for getting a sharper image of the object you view....
The Sky-Watcher SKMAK90SP Maksutov-Cassegrain Spotting Scope is a powerful device with a focal length of 1250mm. Assembling this spotting scope is considered easy. The entire assembling procedure...
The red-dot finder is a zero-magnification pointing tool that allows you to get a sharper image whenever you view objects through your telescope. Before using it, however, you must align the...
The Meade Lightbridge Truss Tube Dobsonian Telescope comes equipped with a red dot finder instead of the traditional crosshair configuration of other telescopes. The red dot finder allows for a...
The Meade 12 inch lightbridge truss tube dobsonian telescope comes equipped with a red dot finder instead of the traditional crosshair configuration of other telescopes. The red dot finder allows...
The Sky-Watcher SK1025AZ3 is a 102 mm telescope with a tube dimension of 12x50 cm. It is a multi-coated achromatic refractor useful to both beginners and traveling observers. The finder scope is a...
The Sky-Watcher SK1025AZ3 Telescope is good for beginners and traveling observers. The finder scope is a tool mounted on a telescope to help you target an astronomical object. It does not have...
The Meade 8-inch LightBridge truss tube Dobsonian telescope comes equipped with a red dot finder instead of the traditional crosshair configuration found in other telescopes. To get the most of...
The Meade 10-inch LightBridge truss tube Dobsonian telescope comes equipped with a red dot finder instead of the traditional crosshair configuration found in other telescopes. To get the most of...
The Meade 12-inch LightBridge truss tube Dobsonian telescope comes equipped with a red dot finder instead of the traditional crosshair configuration found in other telescopes. To get the most of...
A Meade 8-inch LightBridge truss tube Dobsonian telescope is a great system to view the stars with at any time of night. You'll be able to see virtually any of the stars in the sky. Rather than...
A finderscope is a small, secondary telescope mounted on the main telescope. It helps direct the telescope on the point of the desired object to be observed in the sky. A finderscope, also known...
The finderscope is a supplementary telescope mounted on the main telescope. It helps to point the telescope at the desired object to be observed in the sky. In the case of the Sky-Watcher...
You can set the blink rate of the red dot on your telescope to suit your preferences. Just follow these steps and the task will be accomplished in no time!
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