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Bins for naturewatching and astronomy ?

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/24/2013 at 10:55
cpper View Drop Down
Optics GrassHopper
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Joined: May/23/2013
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Hello :)
I like stargazing and animal watching so I decided to buy a pair of binoculars for both of my hobbies.
I know that the astronomy bins are different of the nature ones.
I studied a lot about bird watching/nature/astronomy bins,and my conclusion is that I need bright ,porro ones with:

* ~7mm exit pupil,meaning:
* 8x-10x power (fixed zoom),
* 56mm-70mm front lens size(for low light conditions);
* BAK-4 prisms;
* Multicoated or fullymulticoated lens;
* Wide FOV.

Am I right ?
I don't need waterproof , and the size and weight don't matter(I'm used to big,heavy lens).I found the 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/24/2013 at 10:58
cpper View Drop Down
Optics GrassHopper
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Nikon Action VII 10x50 but I think they are to dim for astronomy...
My budget is 150$/118 euro...
Can someone give me an advice ?
Post Options Post Options   Thanks (1) Thanks(1)     Back to Top Direct Link To This Post Posted: May/24/2013 at 13:06
PhilR. View Drop Down
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I don't think that 10x50 is too dim for astronomy. Of course brighter is always better, but I can see the Andromeda Galaxy with a set of Pentax 10x36.

There's not a lot of bak-4 porros under $150 (American pricing). Besides the Nikon, you might also look at the Bushnell Legacy WP 10x50. There is also the Olympus 10x42 EXPS 1, which is the one I would pick were I in your situation. These are very bright, sturdy, and have a nice form factor.

If you really have to have something 50mm or above, then look at the Celestron 9x63 Skymaster waterproof bins w/bak-4. Celestron bins don't get a lot of love on these types of forums, but they actually provide a good deal of performance for the dollar spent.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/24/2013 at 13:36
cpper View Drop Down
Optics GrassHopper
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Thanks for your response :)
I will check the recommended bins. I saw that the Celestron 9x63 have a smaller FOV than the Nikon 10x50. Is this normal ? As far as I know, the FOV decreases when the magnification increases.Am I wrong ?
Why are Celestron's not recommended here ? Is Celestron not a good brand ?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/24/2013 at 13:49
Bird Watcher View Drop Down
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You can ask questions about binoculars for stargazing using this link:


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/24/2013 at 14:06
PhilR. View Drop Down
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Originally posted by cpper cpper wrote:

Thanks for your response :)
I will check the recommended bins. I saw that the Celestron 9x63 have a smaller FOV than the Nikon 10x50. Is this normal ? As far as I know, the FOV decreases when the magnification increases.Am I wrong ?Why are Celestron's not recommended here ? Is Celestron not a good brand ?


FOV will often decrease w/increase of magnification, but other things come into play too, so it's not always a hard and fast rule.

The Celestron products are not aimed at the kind of optics enthusiasts such as you find here, so I doubt than any of the "regulars" here have any. This brand is more suited for people who want something inexpensive, but yet will still get the job done. I think they provide good and reasonably sturdy products for their usual low prices.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/26/2013 at 10:36
cpper View Drop Down
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Ok, I think I will go with a pair of 10x50s :)
Which are in your opinion the best 10x50's at 150$  /  115€ / 100 £  ?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/26/2013 at 11:00
PhilR. View Drop Down
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Originally posted by cpper cpper wrote:

Ok, I think I will go with a pair of 10x50s


I've not looked at any inexpensive 10x50, but three that immediately come to mind that would be worth considering are the Leupold Rogue, Nikon Aculon, and Hawke Nature Trek. I would probably go with the new Aculons.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/26/2013 at 11:26
PhilR. View Drop Down
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One more that I should mention. Olympus makes the EXPS1 in a 10x42. The 8x42 version can be had for around $100 in the US, so I would imagine that the 10x version would be under $150. The 8x outperforms just about everything under $200, and some that cost three times as much. You can go to the allbinos.com website and read a very good test review of the 8x version.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/26/2013 at 15:17
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Originally posted by Bird Watcher Bird Watcher wrote:

You can ask questions about binoculars for stargazing using this link:




That is where I would start. Good site.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/29/2013 at 16:46
cpper View Drop Down
Optics GrassHopper
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I can't find in my country the Olympus EXPS1 :(
But what do you think about this bins ?
I searched on astromagazin.ro, and just this ones follow my preferences. Is one of them better than the Nikon Action VII 10x50 ?

Bresser Corvette 10x50
Omegon Farsight 10x50


Orion 12x60
Ok,I know this one isn't 10x50,but what do you think about it ?
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