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| sent on February 10, 2013 (10:51) | This comment has been automatically translated (show/hide original)
Unfortunately, the subject has helped you in choosing the roost. You should pay more attention to the search for a more valid sharpness. Purtroppo il soggetto non ti ha favorito nella scelta del posatoio. Dovresti porre più attenzione alla ricerca di una più valida nitidezza. |
| sent on February 10, 2013 (10:55) | This comment has been automatically translated (show/hide original)
Clear! It was however the first butterflies I photographed .. upon returning to the heat put into action the Tamron 90mm and the D7000 ;) hoping for better results.
But I saw that many photographing butterflies / dragonflies focal very closed, can you tell me why? :-| Chiaro! Era comunque le prime farfalle che ho fotografato.. appena ritorna il caldo metterò in azione il tamron 90mm e la D7000 ;) sperando in risultati migliori.
Ho visto però che molti fotografano le farfalle/libellule a focali molto chiuse, sai dirmi il perchè?  |
| sent on February 11, 2013 (9:57) | This comment has been automatically translated (show/hide original)
“
But I saw that many photographing butterflies / dragonflies focal very closed, can you tell me why? „
Simple. The use of dedicated optics have the quality to give you a good sharpness, but a very small heat pump, so you're forced to close for a sharp subject. But careful not to overdo it, if you can find yourself with too much salt diffraction problems.
If you already have the Tamron, experiment using a meter, focusing on a point and closing the various diaphragms, so you will see the difference in the pdc. Of course with the use of a tripod. "
Ho visto però che molti fotografano le farfalle/libellule a focali molto chiuse, sai dirmi il perchè? "
Semplice. L'uso di ottiche dedicate hanno il pregio di regalarti una buona nitidezza, ma una piccolissima pdc, quindi sei costretto a chiudere per ottenere un soggetto nitido. Attento però a non esagerare, se sali troppo puoi trovarti con problemi di diffrazione.
Se sei già in possesso del Tamron, fai delle prove utilizzando un metro, mettendo a fuoco un punto e chiudendo i vari diaframmi, vedrai così la differenza della pdc. Naturalmente con l'uso di un cavalletto. |
| sent on February 11, 2013 (13:37) | This comment has been automatically translated (show/hide original)
ok thanks will try it! :-)
now therefore explains why they also use time quite slow ... Thanks ;-) ok, grazie lo proverò!!
ora si spiega perchè di conseguenza usano anche tempi abbastanza lenti... Grazie  |
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