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Message: <blockquote data-quote="elkcub" data-source="post: 1726955" data-attributes="member: 14473">Brock,Although I am a retired experimental psychologist, I'm really not too keen on the illusions and disorientations associated with binocular use/misuse.  My reason for bringing up the vection example was simply to point out that there are several illusions that result from body or image motion.  (Very little is known about the added effects of magnification on these, incidentally).  The globe effect is quite real (if illusions can be real) and can be minimized by a pinch of pincushion.  Holger worked out the pinch size quite nicely.  More than a necessary pinch of pincushion is readily apparent and objectionable (to me) on a static basis.  No need for motion.  Less than that, as with the new Swaro, is probably an issue under task conditions that mimic the checkerboard environment that triggers the perception.  I'm still not completely convinced that similar panning phenomena might not be induced by eye movements given the right visual pattern motion, i.e., unrelated to distortion.  I don't quite follow the need to defend the observation that the 10x SE has barrel distortion, and that it induces/enhances the globe effect.  I haven't questioned it.  But, while we're on the subject, it might be worth noting that there really has not been a great cry of anguish from (other) users, and some accept it as a fault only reluctantly.  The reason, I believe, is that the globe effect, like many others, is task specific.  Most users probably learn to avoid such situations without even realizing it.Anyway, thanks for the lesson about redundancy.  <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink    ;)" loading="lazy" data-shortname=";)" />Ed</blockquote>

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