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  1. B

    Sweet spot peculiarities; I can´t get the center as sharp as the periphery

    . Using averted vision, if one is experienced, it is possible to see that different areas of the field are brighter than others. In other words, it is possible to see fainter stars and fainter deep sky objects at certain positions in the field. I used to use this to maximise what I could see...
  2. B

    Sweet spot peculiarities; I can´t get the center as sharp as the periphery

    . It also seems to me to be related to your eyes rather than the binoculars. When you get your eyes tested, try to get a professional who is prepared to give you exhaustive tests. Perhaps somebody could recommend a suitable person. Besides the geometry of the eyes, the general health of the...
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