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One person found this helpful
Looks good, doesn't quite fit my Barska Blackhawk binoculars
on October 10, 2014
It looks sturdy enough, and I'm sure it would do the job. If it fit. The thread on this adapter is 1/4-20 and it turns out the socket thread on my Barska Blackhawk 9 X 63 is not. The binocular socket has a finer thread, more like 1/4-28 or, more likely, a 6mm metric thread that's close to 1/4-25.4. The result is it jams about halfway in. There's nothing in the product listing, or even on the Barska web site that suggests this wasn't a match. (It's possible it will fit the current models - I did buy mine quite a few years ago - but I would suggest checking with a 1/4-20 bolt before you buy.)
I'm deducting two stars for lack of information, but giving it three because it appears to be a sturdy, well built adapter. which would work well for other brands, and some of the Barskas - just not mine. (And, I happen to have a 1/4-20 tap which I can use to "encourage" a reasonable thread match up - it's not like there is anything else I'd screw into that socket.)
One last minor quibble: As others have pointed out, it can be a bit tight, especially on the Blackhawk with their larger tubes.