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Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Valokuvauksen perusteet ja
järjestelmäkameran käyttö
Tiina Puputti
Valokuvaviestinnän Instituutti VaVi
tiina.puputti@vav-i.fi
www.vav-i.fi
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Kuvaan haluttu viesti perusteena
kaikille valinnoille
•  ilmaisulliset valinnat
•  tekniset valinnat
Kaikki valinnat tähtäävät siihen, että
kuvan katsoja ymmärtää kuvan
viestin haluamallasi tavalla.
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Kuvaan haluttu viesti perusteena
kaikille valinnoille
•  valotusaika (shutter speed)
•  aukko (f)
•  ISO-arvo
•  valkotasapaino (WB)
•  muut kameran asetukset
•  automaattitarkennus (tarkennuspiste ja -tapa)
•  valonmittaustapa
•  väriavaruus (Adobe RGB, sRGB)
•  kuvan tallennusmuoto (RAW, JPG)
•  kuvausohjelmat (A, P, Tv, Av, M)
•  histogrammi
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Tarkennuspisteet ja tarkennustapa
Lähde: Canon 5D Mark II User Manual
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Valonmittaustapa
Lähde: Canon 5D Mark II User Manual
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Väriavaruus
Lähde: http://www.google.fi/imgres?imgurl=http://www.stanleyleary.com/Newsletters/Images/
ColorSpace.jpg&imgrefurl=http://blog.stanleyleary.com/2009_10_01_archive.html&h=604&w=
588&sz=79&tbnid=V9aoo_1uWUlaUM:&tbnh=83&tbnw=81&zoom=1&usg=__
AXmT6QzPKyyh7jshs40i-tVs6UI=&docid=TYaPtExD5tJpoM&sa=X&ei=mE6HUcGHCeeC4AS0-
YHwCw&ved=0CEYQ9QEwBA&dur=409
•  nettikäytössä sRGB
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Kuvan tallennusmuoto
Lähde: Canon 5D Mark II User Manual
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Kuvausohjelmat
Lähde: Canon 5D Mark II User Manual
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Valotusaika (Shutter Speed)
•  standardijärjestelmä
•  esitystapa järjestelmäkamerassa 1/3 arvon välein
1/1000 1/125 1/15 1/2 1/4"
1/500 1/60 1/8 1s 1/8”
1/250 1/30 1/4 1/2” 1/15”
1/1000 liike lisääntyy 1/15”
tärähdysvaara kasvaa
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Aukko (f-stop)
Lähde: https://en.wikipedia.org/wiki/F-number
•  standardijärjestelmä
•  esitystapa järjestelmäkamerassa 1/3 arvon välein
f/1 f/2.8 f/8 f/22 f/64
f/1.4 f/4 f/11 f/32 f/90
f/2 f/5.6 f/16 f/45 f/128
f/1 syväterävyys lisääntyy f/128
aukko pienenee
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Valotusaika ja aukko
1/125 valon määrä tuplaantuu (kuva vaalenee +1) 1/60
f/2 valon määrä tuplaantuu (kuva vaalenee +1) f/1.4
1/60 valon määrä puolittuu (kuva tummenee -1) 1/125
f/1.4 valon määrä puolittuu (kuva tummenee -1) f/2
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
ISO-arvo
•  standardijärjestelmä
ISO 100 ISO 400 ISO 1 600 ISO 6 400
ISO 200 ISO 800 ISO 3 200 ISO 12 000
ISO 100 valoherkkys lisääntyy ISO 12 000
hämärässä kuvaaminen
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Valotusaika, aukko ja ISO
1/125 valon määrä tuplaantuu (kuva vaalenee +1) 1/60
f/2 valon määrä tuplaantuu (kuva vaalenee +1) f/1.4
ISO
100 valon määrä tuplaantuu (kuva vaalenee +1) ISO
200
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Kuvan valottaminen
Lähde: Canon 5D Mark II User Manual
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Kuvan valottaminen
Lähde: Canon 5D Mark II User Manual
•  Keskiharmaa = 0
•  Yli- ja alivalotus
Lähde: http://www.blogdivvy.com/photog/histogram-photography.htm
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Valkotasapaino (WB)
Lähde: Kodak Professional Photoguide
•  valon värilämpötila
•  oikea/väärä väri
5 500 K
standardi päivänvalo
3 200 – 3 400 K
standardi keinovalo
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Valkotasapaino (WB)
Lähde: Canon 5D Mark II User Manual
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Histogrammi
Lähde: http://www.cambridgeincolour.com/tutorials/histograms1.htm
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Kuvaan haluttu viesti perusteena
kaikille valinnoille (CLEPS)
•  kuvattava pääkohde
•  kuvauspaikka ja –aika
•  rekvisiitta
•  tunne, ilme ja asento
•  kuvauskorkeus
•  rajaus
•  sommittelu
•  objektiivivalinta
•  lisävalonlähteet ja valomuokkaajat
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Speedlite lisävalonlähteenä
Lähde: Canon 580 EX II User Manual
Valokuvaviestinnän Instituutti VaVi
vav-i.fi
Tiina Puputti 2013
Speedlite lisävalonlähteenä
Lähde: Canon 580 EX II User Manual,
http://www.blogdivvy.com/photog/histogram-photography.htm

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