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This is a great rainy-day craft idea for you and your kids. Actually, this is one of the best ways to maintain a healthy level of insanity. Try wearing these funny eye glasses while shopping Rodeo...
Buying or selling jewelry is easier with the right equipment, and a loupe is nearly essential for close examination. Many people do not use a loupe because they do not know how. The loupe...
So you're becoming a pretty good birder and you're ready for some serious hardware? A spotting scope is great for better views of gliding raptors or far-off rafts of ducks, but they're also a big...
If you or your child is interested in astronomy, you will want to purchase a telescope sooner or later. There are basically three different types of telescopes you can buy; reflectors, refractors...
All Apple Computers running Mac OS X come standard with a Dock at the bottom of the desktop screen. In this Dock are icons for Applications and Utilities such as Finder, Dashboard, Mail and...
An eye exam may not be necessary to determine the best reading glasses for your eyes. There are also other ways to get more for your dollar.
Diamonds are expensive, and just like buying a car or other large purchase, you want to understand the different aspects of the product before making your choice. One of the most crucial things...
Many people end up purchasing expensive telescopes in order to view the stars, completely unaware that there's a vast array of binoculars that can be just as adequately used to stargaze. If you...
A deep sky object is a compact field of stars, gas or another galaxy. Astronomers did not know what they were when telescopes were first turned to the heavens. Photography and other imaging tools...
Assembling the gear for a safari could be as much fun as the trip itself. Think about it--every time a sales assistant says, "May I help you?" you can reply, "Why, yes, I'm in need of some...
A telescope’s eyepiece magnifies the light gathered by the optical tube. Each eyepiece has a focal length, expressed in millimeters, or “mm.” The smaller the focal length, the higher the...
Telescopes have varied eyepieces. A Sky-Watcher SK1206AZ3 Short Tube Refractor Telescope may incorporate different types of eyepieces. The eyepiece is a critical component of a telescope as it...
A telescope’s eyepiece magnifies the light gathered by the optical tube. Each eyepiece has a focal length, expressed in millimeters, or “mm.” The smaller the focal length, the higher the...
A telescope’s eyepiece magnifies the light gathered by the optical tube. Each eyepiece has a focal length, expressed in millimeters, or “mm.” The smaller the focal length, the higher the...
The area that you can see through your telescope is known as the true or actual field of view. The field of view of your telescope is determined by the design of the eyepiece of the telescope....
The area that you can see through your telescope is known as the true field of view or the actual field of view. The field of view of your telescope is determined by the design of the eyepiece of...
The area that you can see through your telescope is known as the true field of view or the actual field of view. The field of view of your telescope is determined by the design of the eyepiece of...
The area in which you can see through your telescope is known as the true field of view. Your telescope’s field of view is determined by the design of the eyepiece. Here is how to find the field...
You determine the magnification power of a telescope from the focal length of the eyepiece and the focal length of the telescope. The eyepiece in the Sky-Watcher SK MAK series is either 10 mm or...
Buying a telescope for a child can by a tricky task. With a wide array of sizes, features and prices available, knowing exactly what to buy can be confusing. But if you take your time and arm...
A stereomicroscope is a low-power compound microscope that produces a stereoscopic image. It is widely used in many fields of science, industry and medicine. For the scope to perform to its...
Telescope eyepieces form the magnified images that you see when you look through the telescope's optical tube. An eyepiece consists of lens components in a moisture- and dust-resistant housing....
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...
Photographers and architects have used rangefinders with manual focus knobs for decades due to a lack of options. Camera companies and other rangefinder producers have opened the door for digital...
Buying a quality pair of binoculars is always a treat for the avid boater, hunter or wildlife enthusiast. Having the ability to get closer to nature appeals to many people and a great pair of...
Compound microscopes are much more powerful than traditional microscopes. Where traditional microscopes are able to magnify objects between 100 and 300 times their actual sizes, compound...
Jewelry often needs repair or minor adjustments. Instead of running to a jewelry shop or department store, it's more convenient to have your own set of tools on hand. Simply follow these...
Sailors and boaters use nautical binoculars, but nautical binoculars have other uses as well. It's a good idea to spend sometime testing out various models and magnification combinations with a...
A revolver and rifle scope can also be called a telescopic sight. A scope is used as an accuracy tool when dispensing ammunition from a firearm. Scopes are classified through magnification...
Collecting vintage eye wear is a hobby that isn’t constrained by just the visually impaired. Many people collect eyeglasses and other visual aides from days gone by just for the value of the gold...
Get ready for deer hunting season by buying the right rifle scope. You can hunt without one, but you'll want to know for certain what it is you are shooting at. Get that young buck in sight and...
When choosing a scope for your handgun, there are many things you should take into consideration to be sure you get the best one. The following steps will guide you through what you should...
Microscopes are diagnostic and investigative tools used most often in classrooms and laboratories. It is easy to buy a microscope, as more and more companies are offering reasonably prices ones...
A monocular is a single-eye version of binoculars. The reduction of half of the structure of a binocular makes the monocular lighter and smaller than its double lensed counterpart. The monocular...
A rifle scope is far superior to the iron sights that come on a rifle for shooting at any appreciable distance. The magnification power of the scope determines how far out you can accurately sight...
Rifle scopes are available with a variety of options, including different magnification, reticle type and resolution. Choose a rifle scope wisely, and your junior hunter will get much more out of...
Since the first time a prehistoric human being looked down into a still pool of water, people have sought out their reflection. Hand mirrors offer an easy, portable method of doing just that....
When you import a clip into Premiere Pro and attempt to view it in the Source or Program Monitor, it will automatically be scaled to fit into the available area. You can change the magnification...
The best way to shop for binoculars is by trying out as many pairs as possible at your local gun shops and sporting goods stores. This will give you an idea of the difference in weight, image...
Using a macro camera lens seems like it should be straightforward. But it isn’t. A macro lens is for close-up photography, the kind of close-up that can give you a picture that is the same size...
Binoculars enhance the experience of bird watchers, travelers, theater patrons and hunters. While they serve much the same function as a telescope, binoculars are more portable and easier to use....
Mil dot rifle scopes are accurate tools for measuring distance without the need for lasers, multiple measurements or complicated math. To calculate distance using mil dot rifle scopes, you just...
Choosing the right telescope depends on your personal needs and interests. What may be ideal for one person isn't necessarily right for you. Before you begin your search for the ideal telescope it...
The Orion nebula, also known as Messier 42 or M42, is one of the most commonly photographed objects in the night sky. An extremely bright nebula which can be seen with the naked eye, the Orion...
From umbrellas and Q-tips to magnification make-up mirrors, get tips on items that come in handy on vacations but that most people don't think to pack, in this free travel packing video guide.
In photography, the focal length of a lens means the magnification or telephoto power of the lens and is expressed in the millimeters of the lens, like 100mm, 300mm, etc. The higher the number the...
Binoculars have been around for hundreds of years, allowing people to see things that are very far away with more clarity and precision than otherwise possible. The fundamental principle is the...
A magnifying glass is a two-sided convex (or biconvex) lens, housed in a frame that may be attached to a handle, stand or platform for ease of use. A convex lens bends light by bringing it in one...
A magnifying glass is a convex lens. A convex lens is a type of spherical lens. That means that the magnifying glass consists of two sides of glass and that it is thicker in the middle than the...
Biological magnification is the buildup of toxins at higher levels of the food chain. It is almost always the result of man-made pollution and effects pretty much every ecosystem on earth....
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