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Optolyth Binoculars

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/14/2007 at 18:51
koshkin View Drop Down
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Looking through SWFA website, I noticed that they now carry Optolyth binoculars. 

I have heard somewhere that Optolyth used to be great, but then went downhill.  The company changed hands a couple of years ago and is, presumably, has improved with the new owner.

Has anyone looked at the current production Optolyth binoculars?  I see they have a 7x42 porro Alpin Classic that is right up my alley.

ILya
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/14/2007 at 21:01
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koshkin,

http://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Nu mber/1254084 (disregard the "space" in Number)

I had this on my computer desk for several months. Maybe it will point you to something helpful.

I'm thinking that Optoyth is still popular overseas (U.K.) and maybe Canada. They talk about it on www.cloudynights.com but I never really paid any attention because it was not available here.



Edited by Bird Watcher
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/15/2007 at 09:23
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I don't have current versions, but I have two earlier versions:  10x50 Alpin NG (bought new), 10x40 Alpin (version prior to NG, bought used).  I've read that the 'Classics' are new production of the non-NG Alpin.

 

They are compact for their objective lens size and very light weight.  I see in current advertising that the NG versions have been replaced by new production of the earlier, non-NG version.  They seem similar to the Japanese-made porros of recent production for Celestron and Orion.  Both very sharp, with color neutral or slightly warm.  Their fields of view are 5 degrees (about 270-something feet at 1,000 yards) for the 10x50, and about 330 feet at 1,000 yards for the 10x40.  The 10x50's eye relief is a bit longer than the eye cups, so I'd get blackout unless I held them further from my eyes.  No such problem with the 10x40.  The 10x40 is the better of the two:  very comfortable, with excellent resolution. 

 

If the 10x40 Alpin is what the current Classics duplicate, then they should be great. 

 

   

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/18/2007 at 21:16
koshkin View Drop Down
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Anyone know if they are waterproof?

Thanks.
ILya
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/19/2007 at 19:33
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Can't be. 

 

Sorry.  Didn't mean it to sound sarcastic.  As you know, these porros are center-focusing.  The ocular lens barrels slide up and down the ocular tubes that extend from the prism housings (and pretty smoothly, from my observations).  I never saw any info, from Optolyth or anybody else, to indicate that they are waterproof.  I can believe that they have pretty good dust-sealing, however. 

 

Update:  I was referring to the pre-NG Alpin that I own.  I am assuming that the current Alpins are of the same design, since one U.S. retailer stated that these are new production of the pre-NG design.

 



Edited by Steve16
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/20/2007 at 16:01
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koshkin,

Not an optolyth in the bunch:

http://www.optyczne.pl/ranking_optyczne_pl-ranking_lornetek- 10x42.html

In the book How To Choose Binoculars (1991) there is a chart listing all Optolyth binoculars, NONE of them are waterproof.

lucznik,

Your Elite was rated #7.

Vortex Viper #11

Vortex Razor #14

Edited by Bird Watcher
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/20/2007 at 22:30
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Thanks for the link Bird Watcher.  I went ahead and read through some of the reviews that these people have done on various optics and it appears to amount to a pretty comprehensive series of tests they are conducting. What's better, their tests appear to be quite standardized which allows for much more meaningful comparisons between units.

 

I like this site a lot.  Thanks again.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/21/2007 at 13:32
koshkin View Drop Down
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Unfortunately I do not understand enough Polish to be able to read the tests, so all I am going off of here are the rankings in the link and some are very surprising and go against my personal experience.

The most eggregious discrepancy is Stokes DLS in 28th place? that is surprising to put it mildly, especially considering the fact that Swift Ultralite roofs, Bushnell Discoverer and Bushnell Legend were all rated higher.

ILya
  
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/21/2007 at 14:46
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If that is Polish, then the free web-translators that I tried must be using another dialect of Polish because I cannot understand anything. In fact the translations make it more difficult to figure out.

 

Anyway, the problem with just looking at rankings is that they don't mean anything if you don't know what they are ranking or how or what they are measuring..

 

If anyone is able to obtain an English translation of these tests, I would love to see them.

 

 

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/21/2007 at 17:04
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The list was completed by an independent team of Polish experts (professional astronomers) from optyczne.pl

The individual who posted it on cloudynights.com is also from Poland and intends to make a quick translation guide, but, due to time constraints it won't be ready until July.

Here are a couple more to look at:

www.optyczne.pl/ranking_optyczne_pl-ranking_lometek-8x56.htm l

same address, insert 10x50 in place of 8x56

lucznik,

You're welcome.





Edited by Bird Watcher
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: May/21/2007 at 18:15
lucznik View Drop Down
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Originally posted by dclark dclark wrote:

If that is Polish, then the free web-translators that I tried must be using another dialect of Polish because I cannot understand anything. In fact the translations make it more difficult to figure out.

 

It is not an issue with language dialect but rather, with the quality of the various web-translators (none of which are any good.)  The Polish used in these tests is very straight forward, standard language useage - though the vocabulary is sometimes perhaps a bit technical.  Polish really doesn't divide itself into dialects - the one exception being language variations seen in the South Eastern mountain region but even then, you're really dealing more with a different language rather than simple variations of dialect.

 

 

 

I'm not sure I totally agree with the results of these reviews either but, they at least appear to be better put together than many of the "reviews" I have read in the past. They even seem to employ a standard format which helps to ensure that they are comparing "apples to apples" as it were.  At the very least it is another source of optics information that I can use to feed my addiction.

 

 

 



Edited by lucznik
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