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  1. I

    Wide flat field and edge sharpness an illusion?

    @Maljunulo @Alexis Powell I am continually surprised at how different our eyes/brains are and thus our individual viewing experiences.
  2. I

    Wide flat field and edge sharpness an illusion?

    Let me assure you, I too do not move the windows in my house to look at other parts of the scenery outside (my eyes, head and binos do that for me). But then again comparing houses' windows to binoculars makes comparing apples to oranges seem decidedly sane. But ymmv. However, I do agree with...
  3. I

    Wide flat field and edge sharpness an illusion?

    Looks like I am getting myself into uncharted waters here because I do not have enough knowledge about optics/physics to speak to HOW the thing most people call sweet spot comes about. Whether it is indeed a quality designed into the optical formula of eyepieces, or whether it comes about, as...
  4. I

    Wide flat field and edge sharpness an illusion?

    For thousands of years humans, like pretty much all other animals, have moved their head to focus in on things of interest. Their eyes focus nicely straight ahead and through peripheral vision they can notice things at the edge. The eyes can then move in the head to a certain extent to focus on...
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