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dOP
journeyman
Reged: 12/07/07
Posts: 52
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Re: huge 110mm russian binoculars (pic)
05/03/08 09:37 AM
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Quote:
I received a very bad comment on it.
"Forget it. Its performance is really really bad. I once used it in XingLong just to discover that it had very low contrast and poor color correction.
Needless to say it gave me a very bad experience in star gazing. Only few stars were observable inside the binocular despite its 5 inch aperture. I soon realized that it is the special coating and poor prism that contribute to its incompetence. ( I mean in astro-usage. )
This is not difficult to understand - the first priority in military item is robust, not comfortable and charm in viewing."
I wouldn't trust this source, this doesn't make any sense..
First sentence:
If a 110mm, $6000.00, military binocular with a 7.3mm exit pupil has very low contrast (at night or dusk), probably it is opaque.. Somebody confused black paint with MgF..
Second sentence:
Even the worst piece of junk I can find for $100.00 would show me at least as many stars as I can see naked eye (with the lens cap's off).
AFAIK, the only special coatings binoculars use, are there to maximize the light transmission, not the opposite (although it can work both ways if not applied correctly). Even $200.00 binoculars have fair coatings.
Third sentence:
Robustness, not viewing? Why not use a rock instead? It doesn't get more robust than that and according to the "review" it is as transparent as those binos..
Those Russians...
Edited by dOP (05/03/08 09:31 PM)
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