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they are big binos, prob send them back to sirius if you can -they will still be under warranty, problem with a big instrument like them, once you open them up you can see they will get knocked out of place as the prisms are held in by push/pull screws with too much plastic.
the chinese binos use the purchaser as instrument tester to an extent..can't be totally avoided except buying higher build quality items -such as the 15x70 MB/ultra series, in 25x100 there are no real standout performers under $1000
if you want you cna send them to rogers optics, in sydney
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