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Even with a pair of 7x50 binoculars you can observe many globular clusters if you can find some darker skies. You won't be able to resolve the stars but they are a wonderful sight.
Here are a few to target ...
The wonderful omega Centauri and 47 Tucanae.
M22 and M55 in Sagittarius.
NGC 6397 in Ara.
NGC 6541 in Corona Australis.
NGC 6752 in Pavo.
M13 in Hercules.
M10 and M12 in Ophiuchus.
If you are purchasing binoculars, a simple test for collimation is to check you can merge the left and right fields into one circle of view. You should not be seeing double images of the same objects.
Regards, Rob
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