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| sent on May 01, 2013 (22:33) | This comment has been automatically translated (show/hide original)
mmm I see pink ... but it lacks the nebula .. mmm io vedo rosa...ma manca la nebulosa.. |
| sent on May 01, 2013 (22:57) | This comment has been automatically translated (show/hide original)
individual shots are images in jpeg format in the position of the nebula, I just wanted to understand the difference between the 350D and 550D strongly in favor of the first chamber (and I'm still trying to figure out why!) sono immagini singole riprese in formato jpeg nella posizione della nebulosa, volevo solo far capire la differenza tra la 350D e la 550D nettamente a favore della prima camera (e ancora sto cercando di capire perché!!) |
| sent on May 02, 2013 (12:58) | This comment has been automatically translated (show/hide original)
Laying bulb says little, the actual time of exposure how much? Equal in both shots? Tralaltro seems to me not in focus and with a red channel too exposed, the cameras have changed over the IR filter?
Posa bulb dice poco, il tempo effettivo di esposizione quant'è? Eguale in entrambe gli scatti? Tralaltro mi sembra non a fuoco e con un canale del rosso troppo esposto, le fotocamere sono modificate nel filtro IR?
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| sent on May 02, 2013 (23:13) | This comment has been automatically translated (show/hide original)
time and '60 sec for both and both cars are modified with Baader filter, the fire can' be not perfect but why all this difference between the 2 machines? il tempo e' 60 sec per entrambe ed entrambe le macchine sono modificate con filtro Baader ; il fuoco puo' essere non perfetto ma perché tutta questa differenza tra le 2 macchine? |
| sent on May 04, 2013 (10:57) | This comment has been automatically translated (show/hide original)
Perhaps less pixels with larger? Forse meno pixel con dimensioni più grandi ? |
| sent on May 05, 2013 (7:37) | This comment has been automatically translated (show/hide original)
Surely the 350D has 8 megapixels versus 18 of the 550D and being equal to the size of the sensor of the 550D I think those are more 'small, but then I was expecting more grain' in order whereas the latter does not seem to own, and what is lacking in the 550D and 'the signal! Sicuramente la 350D ha 8 Mpixel contro i 18 della 550D ed essendo uguali le dimensioni del sensore penso che quelli della 550D siano piu' piccoli, ma allora mi aspettavo grana piu' fine in quest'ultima mentre invece non sembra proprio, e quello che manca nella 550D e' il segnale!!! |
| sent on May 08, 2013 (21:34) | This comment has been automatically translated (show/hide original)
Beyond the dominant red and other problems with the practice Bergama will soon be able to solve (pass us all, no one is born "learned"!) The thing I find interesting is the direct comparison between the two cameras that allow you to touch hand with the issue of race for megapixels in astrophotography, which often prove disappointing to those who, convinced that with a MPx camera with more photos to be better! As I commented in another picture of Bergama, if Mpx are more, it means that they are smaller (with the same sensor size), and then collect each less light. E 'for this reason that the 550D produces images that seem to "underexposed" than the 350D.
With a perfect focus and perspective in very good condition you'll see that you'll see, stretching a bit 'poses, that the550D has a "grain" finer.
hello!
Chiara Al di là della dominante rossa e degli altri problemi che con la pratica Bergama sarà presto in grado di risolvere (ci passano tutti, nessuno nasce "imparato"!) la cosa che trovo interessante è il confronto diretto tra le due fotocamere che permettono di toccare con mano la questione della corsa ai megapixel in astrofotografia, che spesso fa provare delusione a chi, convinto che con una fotocamera con più MPx le foto vengano meglio! Come ho già commentato in un'altra immagine di Bergama, se i Mpx sono di più, vuol dire che sono più piccoli (a parità di dimensioni del sensore), quindi raccolgono ciascuno meno luce. E' per questo che la 550D produce immagini che sembrano "sottoesposte" rispetto a quelle della 350D.
Con una messa a fuoco perfetta e un'ottica in ottime condizioni vedrai che ti accorgerai, allungando un po' le pose, che la 550D ha una "grana" più fine.
ciao!
Chiara |
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8.0 MEGAPIXEL
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