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  #16  
Old 17-12-2007, 21:27
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freestate freestate is offline
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24 mm FF la 400D inseamna 15 mm. la o focala mai mica deja iti da aberatii: pereti strambi, fete distorsionate si asa mai departe. deci este foarte suficient
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  #17  
Old 17-12-2007, 21:29
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asterix24t asterix24t is offline
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eu stiam ca se calculeaza 24mmX 1.6
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  #18  
Old 17-12-2007, 21:41
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nu, este de impartit

FF (full frame) este 1.1. EFS (cum este la 400D) este 1.6 din acel 1.1 FF adica 35 de mm - exact cat un cadru de film normal de 35 de mm, cele mai comune filme foto.

exemplu: obiectivul de kit 18-55 este un 28 (18*1.6) - 90 (55*1.6) FF. exact omologul de la aparatele EOS analogice.

daca facem invers, de la FF la EFS impartim, nu?
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  #19  
Old 17-12-2007, 21:53
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ahh..mea culpa
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  #20  
Old 18-12-2007, 08:09
bogdan.panait bogdan.panait is offline
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Evident ca , in anumite situatii, f4 poate insemna intunericc. Dar ai blitz-ul ala care in AV face un fill-in de toata frumusetea. De fapt, la Canon, asta mi se pare si cea mai importanta facilitate. Un light diffuser e absolut necesar, ca si compensarea din blitz. Ai grija sa nu te vada nuntasii cu carti de vizita legate cu elastic de blitz
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