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| sent on August 25, 2019 (17:57) | This comment has been automatically translated (show/hide original)
Nice close up ;-) Bel close up  |
| sent on August 25, 2019 (20:58) | This comment has been automatically translated (show/hide original)
Hello Salvatore, a nice close-up for this dragonfly where the two big eyes are the master. They are formed by a set of elementary optical units, called ommatides, ranging from a few units up to well over 10 thousand, the record is held precisely by the dragonfly with about 25 thousand ommatides per eye; in principle their quantity is directly proportional to the importance that the sense of sight covers in the biology of the animal, so it will be elevated in insects large fliers and hunters and minimal in insects without wings and nocturnal.
A dear greeting and good start for next week, hello Fabrizio Ciao Salvatore, un bel primo piano per questa libellula dove la fanno da padrone i due grandi occhi. Sono formati da un insieme di unità ottiche elementari, dette ommatidi, che variano da poche unità fino a ben oltre 10 mila, il record è detenuto proprio dalla libellula con circa 25 mila ommatidi per occhio; in linea di principio la loro quantità è direttamente proporzionale all'importanza che il senso della vista ricopre nella biologia dell'animale, quindi sarà elevata negli insetti grandi volatori e cacciatori e minima negli insetti privi di ali e notturni.
Un caro saluto e buon inizio per la prossima settimana, ciao Fabrizio |
| sent on August 26, 2019 (6:58) | This comment has been automatically translated (show/hide original)
A super macro where the eyes (seen in the HD file) as Fabrizio says are the master, thanks to you Salvatore for this shot and to Fabrizio, who with the scientific description allowed me to learn new notions of nature.
I almost forgot, great portrait, cool week everyone. Una super macro dove gli occhi (visti nel file HD) come dice Fabrizio la fanno da padrone, grazie a te Salvatore per questo scatto e a Fabrizio, che con la descrizione scientifica mi ha permesso d'imparare nuove nozioni della natura.
Quasi dimenticavo, ottimo ritratto, fresca settimana a tutti. |
user87191 | sent on August 26, 2019 (7:49) | This comment has been automatically translated (show/hide original)
Fabulous in hd ! Favolosa in hd ! |
| sent on August 26, 2019 (9:41) | This comment has been automatically translated (show/hide original)
thank you , you are all very kind
allow me a special thank you to Fabrizio for the description and for the information you gave us
hello
Salvatore grazie , siete tutti gentilissimi
permettetemi un ringraziamento particolare a Fabrizio per la descrizione e per le informazioni che ci hai dato
ciao
Salvatore |
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