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Leupold Gold Ring 9x35 IF porros

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bald1 View Drop Down
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    Posted: July/18/2007 at 22:11
Any thoughts or comments on these vintage '90s binoculars?   I just picked up a pair and they look quality for their era.  Do they compare well to the B&L 9x35 Zephyrs?

--Bob
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bald1 Quote  Post ReplyReply Direct Link To This Post Posted: July/22/2007 at 11:36
No one here has any experience with the Leupold 9x35 IF porros?  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bald1 Quote  Post ReplyReply Direct Link To This Post Posted: July/25/2007 at 22:33
Well despite over 65 views here and no comments I did garner information elsewhere.  The 9x35IFs are proving to be a very comfortable solidly built set of bins.  I'm also developing an affinity for the IF system over the CF design with these and my Minox BD 6.5x32 IFs.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveSF Quote  Post ReplyReply Direct Link To This Post Posted: July/26/2007 at 14:34

Third binocular from the right, correct?  One of the best-looking porro (to look at) that I've ever seen. 

 

I bought a 10x40 IF of this series off *Bay.  An excellent binocular, much more compact that I expected, wide field of view (6.6 degrees), and excellent sharpness.  One thing I've noticed, however, is a susceptible to stray light, from street lamps, for example.  The objectives are positioned very close to the barrel rims, about 3/8 inch.  Eye relief is relatively short.

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bald1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bald1 Quote  Post ReplyReply Direct Link To This Post Posted: July/26/2007 at 14:43
Steve,

  Right :)    The 9x35s have a 7.3* FOV which is quite comfortable.  All the normal evaluation criteria (resolution, contrast, flair, color, ghosting, etc.) all seem remarkable for a 15+ year old glass.  And I agree these are classic in appearance.  I like their looks much more than the rubber knurled ocular version of these.  From what Leupold has now told me there were actually 3 versions of their 9x35IFs.

--Bob
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lucznik Quote  Post ReplyReply Direct Link To This Post Posted: July/26/2007 at 14:58
I recognize most of the binoculars in the picture but, what is the 2nd from the left?  Old B&L zephyr maybe?
What if the hokey pokey really is what it's all about?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bald1 Quote  Post ReplyReply Direct Link To This Post Posted: July/26/2007 at 15:47
Lucznik,

  That puppy is an obscure branded super wide angle 7x35 from the late 60s early 70s.  It gives an 11* 578' wide FOV with minimal barrel distortion.  You can get wider (e.g. 12.5*) in a 7x bin but very very few are as well corrected.  The sweet spot is also abnormally large with the view approx 15 moons across the field and the slight out of focus edges covering but 1.5 moon diameters per side.  A friend indicated that this equated to an 8* sweet spot which is extraordinary.  There is insufficient relief for eyeglass wearers.  It is thick and heavy not just squat and large as the photo indicates.  In my hands it balances well but challenges mentally as weighing as much as the 40 oz of my Orion 9x63s.  Of course it isn't that heavy but still it isn't one that I'd want to hit the trails with.   It makes a great backyard and/or car binoc.

   It sports the Japanese "JA" quality markings and codes which identify the maker as Koki Seisakujo. Interestingly in this thread http://www.birdforum.net/archive/index.php/t-51346.html documentation is provided to the effect that Swift porro Audubons 8.5x44 c1989 were also made by Koki Seisakujo which was a departure from Hiyoshi Kogaku. Tamron made the earliest ones for Swift.  Bottom line is that this maker may say something about the quality of the 7x35.
 
--Bob


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