MrCus
Member
there are several paper from matthias ott who did a analysis on the chameleons eye. he says that the focus-change "bandwith" is about 45 dioptre whereas humans can focus around 15. the focus-speed is 60dpt per second! humans can focus with 15dpt per second.
but there is more: we need two eyes for stereoscopic view. without that, its hard to tell the distance. chameleons can "tell" the ditance with only one eye. and this much more accurate than most of the other animals. they need that to know how far the tongue needs to be shot.
the view is like a tele, not like a zoom as far as i know. this means only a small part of the surrounding area can be seen at one time. but very detailled. since the eyes can be moved like "turrets" a zoom (change from tele to wide-angle )would not be nessecary.
but if there is a paper telling there is a zoom, i would really like to have it !!!
sorry for some confusing words, english is not my mothertongue
but there is more: we need two eyes for stereoscopic view. without that, its hard to tell the distance. chameleons can "tell" the ditance with only one eye. and this much more accurate than most of the other animals. they need that to know how far the tongue needs to be shot.
the view is like a tele, not like a zoom as far as i know. this means only a small part of the surrounding area can be seen at one time. but very detailled. since the eyes can be moved like "turrets" a zoom (change from tele to wide-angle )would not be nessecary.
but if there is a paper telling there is a zoom, i would really like to have it !!!
sorry for some confusing words, english is not my mothertongue
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) known as the parietal eye that is used to sense light and heat energy (it's located on the parietal crest). It's pretty rudimentary (so not as developed as the snakes equivalent) but is still there! 
