March 29, 2007

Binoculars - Take A Long View

Tip! When night-vision binoculars first came on the market they were very expensive status symbols. They used to be every expensive.

You can be a hunter or a bird watcher (an ornithologist,) or even military or marine personnel. You can do pretty little without good pair binoculars. But when you want to buy a pair for yourself, you know you can’t hope to cross match the specifications of a bird watchers’ needs with your, a soldier’s, needs.

Considerations before Buying Binoculars
Fundamentally, since you are planning to buy binoculars, it goes imperative that they must match your needs. Binoculars are manufactured to suit specific needs of different professionals. Give a thought to the number of hours you use it on a day to day basis. Naval range finding binoculars are huge and weigh upto 10 tons. Secondly, buying binoculars is a very personal matter; how much weight you are comfortable with, what eyepiece suits you if you are bespectacled and so on.

Consider the Following Points First
Magnification and lens diameters are the fundamental parameters you must consider regardless of the type you require. Binocular of 7×35 means 7 times magnification of the objects than would be possible with naked eyes and the front lens has a diameter of 35 millimeters. Larger the diameter, larger is the field of view but magnification power decreases accordingly. Larger diameter also ensures clarity of pictures which otherwise would appear hazy. Just doubling the diameter quadruples the clarity by increased light gathering.

Tip! Apart from a large number of big companies, there are local manufacturers which produce night-vision binoculars at a much lower cost. But still, a good pair of night-vision binoculars will cost at least a thousand dollars.

If your reason for buying binoculars is horse race watching or military surveillance, larger field of view suits better. Field of view signifies the area of vision specified in degrees. To understand the width of view from a distance of 1000 yards, multiply the specified degrees by 52.5.

The glare of lenses is reduced by special coating.
· Plain coating
· Full coating
· Multicoated
· Fully multicoated
Plain coating is very poor, so get yourself binoculars which are at least fully coated.

Check for rubber eyecups if you are bespectacled; next, if the lenses are fitted deep in, the field of view is curtailed even for persons without spectacles. As for focal length, a close range (15-18ft) would do better for birding. So, check whether you can focus your hand to confirm this point.

Zoom function helps adjust the power for birding and military purpose. For such binoculars the power is indicated in ranges like 10-50×50. This means the power ranges from 10 times to 50 which is the maximum.

Finally, what you can’t forget are designs like Porro Prisms, Roof Prisms and pocket designs. The latter is handy owing to small size and weight but images will be darker. Porro prism designs provide larger exit pupils, quick & closer focus, wide field of view. But it’s bulky. Roof prism design offers a lighter, water proofed binoculars but costs a hell.

Tip! Viewers can use a pair of binoculars for bird watching, star gazing, observing far off animals, spotting ships at sea, watching a concert, or enjoying a sports game from a ‘nosebleed seat.’ They can be used while hiking, camping, boating and hunting.

NamSing Then is a regular article contributor on many topics. Be sure to visit his other websites Digital Camera Binoculars, Private Jet Charter and One Stop Information.

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March 28, 2007

Barska Binoculars 10×21 Blueline Mini Porro

Blueline is a series of specialty items with unique and special features. There is something different for everyone, and they make the perfect gift for any occasion., $25.80

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Camping Gear Supplies

It has been a whole year since you had the chance to use some of the camping gear supplies that you originally bought to spend time down at the lake. You already know that the old bucket with the swivel top on it might need replacing, but it sure did work out great as a chair for the length of time you got to use it. It never made its way to the water where you could fill it with minnows and do some serious fishing with it.

Some of the other camping gear supplies might be worn out too, because batteries were left in some of the flashlights for almost a year, and might now dim a time or two and we might not find our way clear to the restroom area at night. This year, you plan to have several mounting brackets on hand to hold your fishing poles more firmly in the ground. It is time to get some revenge on the fishes for what they put you through last year.
Your camping gear supplies list is going to have to grow some, you know, because two fishing poles went in the water, and you never did have […]

Full Article At: KnowHow-Now.com Articles

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