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Steiner Nighthunter vs. Nighthunter XP

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/11/2007 at 16:03
davelandefeld View Drop Down
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What's the difference between the Steiner Nighthunter and the Nighthunter XP

 

I can see a tightening or adjustment ring difference on the eye-peice. What's that for?

 

Is there any other difference?   Coatings?   Glass?

 

Thanks 

 

 



Edited by davelandefeld
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/11/2007 at 18:01
Roy Finn View Drop Down
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Dave,. as far as the glass and coatings are concerned, no, however, the internal stray light management system was improved on the XP series. If you were to compare both models side by side, I believe you will see a slight difference. The XP's also utilize a winged type eye cup which when combined with the improved stray light system results in a slightly brighter picture. I will say that it would only be noticeable if you were to go between the two models hand in hand and comparing under poor light conditions. In all candor, the winged eye cups probably contribute more to this perceived difference than anything else, in that any side light is all but completely blocked. I can say this because I switched the eye cups on my 7x50 Whitetails with the new "winged" design and they appeared brighter. As far as the memory click adjustments are concerned, it is only a benefit to someone who plans on lending out their bino's to someone who will change the diopter (focus) adjustments to their particular vision. It simply provides the owner of the bino a point of reference once he or she has set them for their vision. If you are unfamiliar with this type of focusing arrangement, once you adjust the focus on these, you are done. Everything from approx. 20 yrds on out is now in focus, unlike all other types which require readjustment as the viewed objects change distance. I hope that makes sense and helps. If not, fire away!!!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/12/2007 at 01:23
davelandefeld View Drop Down
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Thanks Roy!

 

These being the only nice optics I've owned I figured all of them were "set and forget." Not so...

This'll matter as I shop my next purchase.

 

My Nighthunter's (not XP) have winged eyecups. They're easy to pop on and off for cleaning and surely do block stray light.  I wish they came on everything.

 

I didn't know they fit on Whitetails. I think Senators and Navigators have them too. That's big news. I think I'll shop some 7x50's like yours. Can you tell me if the winged eyecups fit on the Military/Marine model?

 

Also, could you please describe how they modified the inside of the Nighthunter XP for the "internal stray light management system?"

 

My compliments - you sound very informed.

 

 

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/12/2007 at 14:41
Roy Finn View Drop Down
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As far as the eye cups fitting the Military/Marine models, I'm not sure. I gave a pair of these eye cups to my ex-chief for his 7x50 MM and he has not tried them as of yet. If I had to guess, I would lean toward a yes, in that, the ocular housing appears to be the same size on the Military/Marine and the older Whitetails I own, both 7x50's. Regarding the stray light management/baffling systems, I would be guessing to tell you specific differences. Steiner is constantly evaluating these things and developing different configurations to improve not only the amount of light transmitted, but the quality of the light being transmitted. Anytime light passes through glass, be it the lens or prisms, small amounts are absorbed by these glass surfaces and reflected outside of the intended light path. The better the light management system in place, the less this reflected light can be transmitted back through the lens system, which is usually described as flare, glare or ghost imaging. If you peer into the objective lens of a bino, you will see a series of baffles and surfaces that are treated with non-reflective coatings. I am reasonably confident that this specific information is held confidential. 
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