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8x42 or 8x56 binos

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/07/2007 at 20:19
shoot4fun View Drop Down
Optics GrassHopper
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 I am getting ready to buy a new pair of binoculars. I hunt whitetail deer in southeast US and lowlight qualities are very important. I'm not going to spend a 1000.00 in a pair so I will consider up to 500.00 for a pair. Which way will i get better quality for this price? Can I get as good of quality in 56mm or better binos in 42mm for this price?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/07/2007 at 22:22
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Optics Apprentice
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Joined: October/19/2007
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Generally bigger binoculars cost more, "but not always" If you don't try to get too high of a powered bino, you can maintain your night vision with the 42mm lenses.

Remember "exit pupil" is how big the beam of light the binocular sends to the eye... if that "size" is smaller than your particular pupil in your own eye can dilate, then you are cheating yourself of night vision and should go with a unit with more exit pupil.

If you take the mm size "like 50mm for instance" and divide it by 10X.. that gives you an exit pupil of 5.0mm.
You can maintain that good of an exit pupil with a 42mm lens simply by dropping your power to 8.5X.

But remember night vision is also highly dependent upon quality of lenses even more than exit pupil is many cases.

Its hard to tell in the store... but if your in a big store, try to find a dark corner back behind some beam somewhere and then compare different units.

that will be poor representation of night vision, but its better than nothing.

You may be very surprised at the "brightness" of some units over others.
The more expensive ones aren't always the brighter ones either.

You question about the best pair for under 500 is quite common... do some reading on past threads.

But I'll warn you.... everytime you ask that question, there will be much better options if you can spend more.... but the common theme seems to be to buy a bino with "porro" prisms if you want quality for a lesser price as it cost more to do the same thing with "roof" prisms but you get the more popular look of the newer models verses the older style where they break away.

If your not sure about the difference, either do some reading here or do a simple google search on porro prisms verses roof.
http://www.google.com/search?hl=en&q=porro+prisms+verses +roof.&btnG=Google+Search

I'll warn you... I was planning on replacing my 200.00 steiner 8X30's and by the time I was done studying and trying out units... I ended up with 1800.00 Swarovski's!....

But the Cabelas Euro's are indeed marvelous for 800.00 that rivals many of its more expensive competition... but thats out of your budjet.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/08/2007 at 04:15
tahqua View Drop Down
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A quality 8x56 is wonderful to look through but are large if you are on the move and not stand hunting.

There are some nice glasses available here http://www.samplelist.com/default.aspx?prod_type=2&hide_ sold=False that are in your price range. The Kahles are on the high end and are a nice glass. So is the Pentax that is listed.

 windstrings hit it right on everything and is a good guide to follow.

If you want to look outside the 8x56 or 8x42 options a 7x42 is an excellent choice for an all around hunting binocular. Of the several pairs of binos I have I always go to my 7x42 when hunting. They are fairly compact and are easy to use all day long.



Edited by tahqua
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/08/2007 at 07:25
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Wow.... thats a nice link to some good bargains... too bad I didn't know about it on my recent search, it could have swayed my purchase.
These do appear to be used units.

Shoot4fun, take advantage of the little camera if you go to that link and look at the pictures of each too.

I discovered that although in the the picture, the bino's with 50mm lenses look very balanced and sleek, in reality they are  quite a bit more weight was well as physical size.... Dealing in the swarovski brand for instance, I found the 50mm to be 1/3rd more weight and at least that in size..... you may find some other brands more forgiving.... but you'll maintain your night vision if you keep your exit pupil at least as large as your eye will dilate.

I don't know how young you are ,but it drops with age.

Also, since your within a budget.... strongly consider the porro prism units if you want to maintain glass quality....Your money will go farther if you value glass quality.... the bucks really jump when going to roof prisms because of the complexity of the setup and so you'll put your money towards glass quality instead of prisms setup etc.......

If you don't mind jumping up several hundred dollars, you can get the same binocular "for a given glass quality" in roof prism.

I'm just learning about these too.... I wanted to share the little I know....

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/08/2007 at 11:22
tahqua View Drop Down
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Shoot4fun, you might want to keep an eye on this new thread http://www.opticstalk.com/forum_posts.asp?TID=8419&PN=1

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