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09-25-2008, 11:57 PM   #1
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Binocular/Scope specs

I'm looking to get either a spotting scope or a set of Binoculars.
But I am really confused with the specs.. ie. 10x40, 30x50 etc etc

What exactly do they stand for? Any way to translate this into mm?

Is there anything i need to watch out for? recommendations?

09-26-2008, 03:23 AM   #2
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The first number is the magnification. 10X would be like a 500mm lens on a 35mm camera. The second number is the size of the objective in mm. The larger the glass, the brighter the image. So a 40mm objective is going to be brighter than a 32mm.

I would buy the best quality that you can afford and stay away from lesser know brands. My experience is that the high priced brands are high priced for a reason - they are much better! Get a Pentax brand of binoculars!
09-26-2008, 09:02 AM   #3
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10X = 500mm, so 20X = 1000mm?
09-26-2008, 09:47 AM   #4
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I think I might have found a good one.. PENTAX 10x28 DCF MP Waterproof

Anyone have any experience with this model?

09-26-2008, 01:05 PM   #5
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These page explains some tech aspects of binoculars. Bushnell Outdoor Products
09-26-2008, 01:20 PM   #6
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Thanks for the replies guys!
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