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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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Night vision goggles were invented for use by the military. Over the years, they have become popular among law enforcement agencies and hunters. The technology that makes night vision possible is...
Night vision goggles were invented for use by the military. Over the years, they have become popular among law enforcement agencies and hunters. The technology that makes night vision possible is...
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...
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...
The microscope, an invention that changed the way humans look at the world, came about through the process of much experimentation. Originating in the late 16th century, the microscope is...
Whether you are a kid trying to set leaves on fire with the sun or a person looking for clues, you have most likely encountered a magnifying glass in some shape or form. In the modern world, it's...
Meade telescopes originated in 1972 and were first made for amateurs. Today, they are used for many different purposes such as land viewing and star gazing. Meade telescopes have been upgraded...
Disposable cameras were introduced as a concept in 1887 by Kodak and were later released again in the 1980s. In 1986, Fuji introduced the first disposable camera to the market in the form of the...
Telescope Maintenance
Clean telescope lenses and mirrors only every few years and never use a T-shirt or finger to wipe viewing surfaces. Maintain a telescope in working order with an observatory director in this free...
Caring for a microscope can help it last longer and work with more efficiency. Because a microscope is such a delicate instrument, it should be cleaned carefully with specific types of cleaners....
A slide projector uses a light source to shine light through a photographic slide and focus the image through lenses to project it onto a wall or screen. It uses the same principle as a movie...
So you want to get contact lenses? So you have contact lenses, but not quite sure how to put them in? I've been wearing contacts since the 8th grade and love them. Only time I wear glasses is...
The lens is one of the most important parts of your camera, so you need to keep it clean. Dirt and dust on your lens can produce a poor-quality photo, so proper care and storage is important, as...
Our eyes can protect itself from any dusts or small particles in the air, that's why we have eyelashes to catch the dirt but how about the sunlight? Does eyelids and eyelashes enough to protect...
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...
You're on an Audubon chapter outing to nab some new birds, and your viewfinder captures a thumb print. Perhaps you're at a desert star party for some astronomical imaging, and sand has marred your...
Birders, hunters and other outdoor enthusiasts who want to check out the terrain consider their binoculars a necessity. Nature watchers rely on them for quick species identification. Rafters or...
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...
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...
Photographers interested in purchasing a new camera have a difficult choice to make. Two popular selections by amateurs and professionals alike are single lens reflex (SLR) and rangefinder...
Observing the stars is a hobby that requires good equipment if you plan on getting the most out of it. Astronomy can be done from home or while you travel, but you'll need the right tools,...
Bushnell binoculars feature precision-made optical lenses. The wide-angle focus on the Bushnell Powerview 10x50 effortlessly brings a distant object into close-up. Here's how to set the focus on...
The Meade Travel View range was designed with the frequent traveler in mind. As such, it is an extremely lightweight and portable model, which allows you to carry it wherever you roam. Furthermore...
Be cautious when caring for your telescope. Cleaning the optics can do more damage than letting the dust sit on them.
Binoculars come in many sizes and shapes, and prices vary from less than $50 to well over $1,000.