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how to......

Postby hayduke on Wed Nov 17, 2004 3:40 pm

Is there a link where a guy ccan find out the fundamentals of binoculars, eg. how they work, what the numbers mean, what is good for certain uses?

I am looking to buy a pair for the window sill in our home. Just for looking and not much else but don't want to spend much money.

Thanks

Hayduke
hayduke
 

Postby opticsplanet.com on Wed Nov 17, 2004 7:39 pm

Hi

Look no farther - you have arrived.

The first number in a binocular, the 7 in a 7x35 is the magnification. In other words, this binocular will enlarge an image by a factor of 7. Most binoculars sold today have a magnification of 7x to 10x. For what you describe, a magnification of 8x would be fine.

The second number in a binocular, the 35 in a 7x35, is the size of the front lens in millimeters. Compact binoculars will have a front lens of 20-25mm, whereas full size binoculars will have front lenses between 40 and 50mm. For what you describe, a 40 or 42mm front lens would be about right.

Here are a few casual use binoculars that won't require a second mortgage.

Bausch&Lomb Legacy 8x40, http://www.opticsplanet.com/bausch-and- ... ulars.html

Bushnell Natureview 8x40, http://www.opticsplanet.com/bushnell-8x ... eview.html

Meade 8x42, http://www.opticsplanet.com/meade-8x42-porro.html

If you have any more questions, please let me know.

Joanie Kozak
----------------------
Your personal optics expert
Joanie (Jne) K
http://www.OpticsPlanet.com
Phone: (888) 263-0356
Fax: (847) 574-6820
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Postby Guest on Thu Nov 18, 2004 9:14 am

thank you!
hayduke
Guest