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Message: <blockquote data-quote="smurf.for.mark" data-source="post: 1317209" data-attributes="member: 63586">thanks alan, just been out as its a clear night and star tested them and they perform well they have quite a wide FOV and stars are sharp in the centre fov i guess they fall somewhere perfomance wise regarding sharpness between my cheap 10x50 bressers (that i used to "think" were quite sharp for astronomy compared to other cheap bins) and my opticrons (which "are" very sharp) on a scale of one to ten (three being my bressers and nine being the opticrons) i'de put them at seven maybe seven and a half at a push. stars do start to fall apart around the last 15-20% fov.these are quite handy for casual hand held obs of the night sky in bad LP areas.dont know how bad the slight colour fringing would affect bird identification in tricky circumstances and there are sharper bins out there... but not bad for dawdling about with and saves ware on your good bins.</blockquote>