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<blockquote data-quote="Mordane76" data-source="post: 2062914" data-attributes="member: 7172">The human eye has nearly limitless distance capability - as long as the object being viewed is brighter than the background on which it is against.&nbsp; How far can details be made out?&nbsp; Research so far shows that fine details begin dropping out at distances as short as 10 feet.&nbsp; Facial features are essentially a blur at distances at distances of 500 ft (less than a 1/10th of a mile).&nbsp; You can still make out body patterns at that distance, however (so you can see that a person has a head, arms, and legs, but not anything really detailed).Unless a person had incredible vision (much better than 20/20) AND the subjects being viewed were sharply contrasted against their backgrounds, I'd say even a distance of half a mile is a stretch without some sort of optical assistance (example - a scope).Personally, for the level of detail required... I think the RAW are pretty good for Spot checks.</blockquote>

[QUOTE="Mordane76, post: 2062914, member: 7172"] The human eye has nearly limitless distance capability - as long as the object being viewed is brighter than the background on which it is against. How far can details be made out? Research so far shows that fine details begin dropping out at distances as short as 10 feet. Facial features are essentially a blur at distances at distances of 500 ft (less than a 1/10th of a mile). You can still make out body patterns at that distance, however (so you can see that a person has a head, arms, and legs, but not anything really detailed). Unless a person had incredible vision (much better than 20/20) AND the subjects being viewed were sharply contrasted against their backgrounds, I'd say even a distance of half a mile is a stretch without some sort of optical assistance (example - a scope). Personally, for the level of detail required... I think the RAW are pretty good for Spot checks. [/QUOTE]

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