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| sent on August 24, 2016 (14:05) | This comment has been translated
Nice! |
| sent on August 25, 2016 (16:20) | This comment has been translated
Thank you! |
| sent on September 11, 2016 (18:01) | This comment has been automatically translated (show/hide original)
Really excellent performance!
I with my EF 50 f / 1.4 to f / 5.6 I can not point out the two nebulae so well (4 min at 800 ISO) ...: -o
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A 100mm seems that it is quite another thing!
Have you ever tried to make them with a 50mm?! Davvero ottima resa!
Io col mio EF 50 f/1.4 a f/5.6 non riesco ad evidenziare le 2 nebulose così bene (4 min a 800 ISO)... 
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A 100mm pare che sia tutt'altra cosa!
Hai mai provato a farle con un 50mm ?! |
| sent on September 11, 2016 (22:25) | This comment has been automatically translated (show/hide original)
Uhmm trying to open a little 'more, I usually open at f4 not least, I would say that that in itself can make a difference. Indeed with this Sigma105 macro I will try to even open a little 'next time. Then the sky, a good filter and processing. What is certain is that the focal little more than your may have favored the recovery.
Uhmm prova ad aprire un po' di più, io di solito apro ad f4 non di meno, direi che già questo può fare la differenza. Anzi con questo Sigma105 macro proverò ad aprire ancora un po' la prossima volta. Poi cielo, un buon filtro ed elaborazione. Certo è che la focale un pochino maggiore rispetto alla tua può aver favorito la ripresa.
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| sent on September 12, 2016 (9:17) | This comment has been automatically translated (show/hide original)
Thanks for the advice!
I closed to f / 5.6 because the exposure histogram was already almost perfectly in the middle ...
I'll try to do some testing maybe ... :-P
Grazie per il consiglio!
Ho chiuso ad f/5.6 perché l'istogramma dell'esposizione già era quasi perfettamente al centro ...
Vedrò di fare qualche prova magari... 
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| sent on September 12, 2016 (9:29) | This comment has been automatically translated (show/hide original)
On this point, more than look at the histogram I base myself for the lens aperture, about how much curvature / coma want to tolerate. As I said this sigma seems very correct so I'll try to open again, but also my 40mmEF performs well. Then I decide how much to stretch the poses according to the sky. But on average up to 4min iso 800 with filter iDAS D1 clips I never have problems even from suburban sky. Anche su questo punto, più che guardare all'istogramma io mi baso, per l'apertura dell'obiettivo, su quanta curvatura/coma voglio tollerare. Come dicevo questo sigma mi sembra molto corretto tanto che proverò ad aprire ancora, ma anche il mio 40mmEF si comporta bene. Poi decido quanto allungare le pose in base al cielo. Ma mediamente fino a 4min iso 800 con filtro idas D1 clip non ho mai problemi anche da cielo suburbano. |
| sent on September 12, 2016 (9:45) | This comment has been automatically translated (show/hide original)
Ok ... although the single-frame shooting is slightly over-exposed so there are no real problems?
In this case, you really can collect more signal than correct exposure? Ok... anche se lo scatto a singolo frame risulta leggermente sovra-esposto quindi non ci sono problemi vero?
In questo caso davvero si riesce a raccogliere più segnale rispetto ad una corretta esposizione? |
| sent on September 12, 2016 (13:25) | This comment has been automatically translated (show/hide original)
A greater openness, from f4 5.6 af changes enough, certainly collect more light, but how much depends on your exhibit sky / filter. You have to go by trial and error. A maggiore apertura, da f4 a f 5,6 cambia già abbastanza, certamente raccogli più luce, ma quanto esporre dipende dal tuo cielo / filtro. Devi andare per tentativi. |
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