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Power Measurements Are An Important Feature Of Binocular | Migration Photos

Jul 22 2010

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bessie johns

Power Measurements Are An Important Feature Of Binocular

Posted at 8:11 am under Digital Camera

If you are looking to buy a pair of binoculars for the first time you will be faced with an overwhelming choice of makes and models. Binoculars come in all shapes and sizes, and range in price from from less than $20 to up thousands of dollars, so finding the right pair to fit your needs and budget is not always that straight forward.

The first feature you should look at is the binoculars’ power measurements. The power is listed by a pair of number such as 10×25, pronounced “ten-by-twenty five”. The first number is the amount of magnification. In this case the image would be magnified by a power of 10, or in other words would appear 10 times closer than without the binoculars. The second number listed is the size of the lens in millimeters. In this case the lens is 25 mm in diameter.

A binocular with Porro prisms tend to be heavier and bulkier, but because of their design tend to let in more light and produce sharper and brighter images. When you see a pair of binoculars that look more like straight tubes with no offsets, these are roof prism binoculars.

The roof prism binoculars are a much newer design that makes for a more compact pair of binoculars. Roof prism models can still have fairly large lenses, but the physical weight and size of the binoculars are greatly reduced. However don’t expect to see any giant binoculars that utilize roof prisms. The image you see in roof prism binoculars is not always as sharp or as bright as traditional Porro prism binoculars.

Another thing that can greatly affect the price of a pair of binoculars is special anti-reflective lens coatings. These special coatings are designed to cut down on glare and help ensure that as much light as possible is collected by the optics. While coated optics are desirable they can quickly make the price of your binoculars.

Once you have decided where you will be using your binoculars and what you will mainly be using your binoculars to observe, you can then make a smart decision about the size and power you need. And with most purchases, you should first know your budget and then match your needs to your budget.

Learn more about Olympus Tracker 10×25 Porro Prism Compact & Lightweight Binocular. Stop by Ken Dragki’s site where you can find out all about Olympus Tracker 10×25 Porro Prism Compact & Lightweight Binocular and what it can do for you.

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