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Sightron bluesky binoculars

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Sightron bluesky binoculars

Postby Black Crow on Sun Feb 19, 2012 8:43 am

I own a pair of the 8x32 and found them to be one of the best optical values I've come across. I like them so much in fact I was thinking about owning a pair in 10x. However, I'm open to owning these in 42mm. IF they are optically the equivalent of the 32mm. Clarity, a large sweet spot and edge sharpness are important to me. The cost of the 42's interestingly enough is a little less than the 32's at least last time I looked. The other reason I'm considering the 10x42 is I was thinking they might give brighter views on cloudy or low light days considering the higher power.

So to my question. Has anyone here owned, own, or have looked at the Blue sky in either the 8or10x42? I would be very interested in your opinion on them. Thanks.
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Re: Sightron bluesky binoculars

Postby Jne_K on Sun Feb 19, 2012 6:52 pm

Haven't tested, either, but in terms of image brightness on a cloudy day there will be no significant difference between a bino with an exit pupil of 4 mm (8x32) and one of 4.2 mm (10x42). In terms of what you will be able to see, going to a 10x42 will be a minimal improvement, if any. You might want to consider a spotting scope if you really need a closer look.
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Re: Sightron bluesky binoculars

Postby Black Crow on Mon Feb 20, 2012 10:55 am

Jne_K wrote:Haven't tested, either, but in terms of image brightness on a cloudy day there will be no significant difference between a bino with an exit pupil of 4 mm (8x32) and one of 4.2 mm (10x42). In terms of what you will be able to see, going to a 10x42 will be a minimal improvement, if any. You might want to consider a spotting scope if you really need a closer look.



Wouldn't a 10x32 have a 3.2 exit pupil, not a 4.0?

I already have two spotting scopes. Is it unreasonable to want to carry 10x? Seems like a lot of folk do.
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Re: Sightron bluesky binoculars

Postby Jne_K on Tue Feb 21, 2012 8:44 am

Yes, a 10x32 would have a 3.2 mm exit pupil. That will be enough of a difference to see in terms of image brightness to a 4.2 mm exit pupil, yes.
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Re: Sightron bluesky binoculars

Postby Black Crow on Thu Feb 23, 2012 9:39 am

Jne_K wrote:Haven't tested, either, but in terms of image brightness on a cloudy day there will be no significant difference between a bino with an exit pupil of 4 mm (8x32) and one of 4.2 mm (10x42). In terms of what you will be able to see, going to a 10x42 will be a minimal improvement, if any. You might want to consider a spotting scope if you really need a closer look.


You really ought to take a look at the Sightron Bluesky 8x32. I think you will be distinctly impressed by the optical quality of these. Over at Birdforum they have a thread that has carried on for months and many hundreds of posts extolling the virtues of these little bins. There are folk there who usually only rave about alpha ($1000+)bins that swear by these guys. Check em out, what have you got to lose since you have easy access. And while you're at it do me a major favor and look at the 10x42s and tell me if they are comparable in image quality and I'll very likely buy a pair from you guys the same day and encourage many more to buy them. No kidding. I've got the cash burning a hole in my pocket.
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Re: Sightron bluesky binoculars

Postby Jne_K on Fri Feb 24, 2012 8:42 am

I'll try to round up a pair. Thanks!
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