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  1. #1
    Târnacopist Expert
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    Default Incepatorii, bata'i vina ... :)

    Am patru banuieli pentru defectele de lumina si culoare:
    1. Filtru UV nu e chiar neutru (http://f64.ro/det.php?id=187&pid=2133). O sa incerc sa trag cateva pozitii cu/fara acest filtru, de pe trepied, pentru a vedea efectul.
    2. IrfanView nu se impaca prea bine cu fisierele RAF. Deja am observat cateva deosebiri intre IrfanView si PhotoFiltre Studio. Acesta din urma pare mult mai prietenos cu fisierele RAF. Din pacate nu pot instala PaintShop pe calculatorul dedicat pozelor ca sa-l testez. In schimb LightZone merge instalat insa mananca o groaza de resurse iar la cei 512 MRam ai laptopului meu, e prea mult. Asa ca trebuie sa raman la IrfanView si PhotoFiltre Studio.
    3. LCD-ul monitorului distorsioneaza culorile astfel incat fisierele prelucrate se vad intrun fel la mine si altfel la restul lumii. E o varianta de luat in calcul, nu stiu cum as putea sa-i fac un fel de calibrare sau ceva asemanator. Any suggestions?
    4. Nu stiu eu sa reglez camera, cu toate ca pozele criticate de voi au fost facute pe Auto.

    Alte idei?

  2. #2
    Silver Member Expert
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    Default

    In primul rand lumina e de vina
    E o vorba buna care zice cam asa:Amateurs worry about equipment · Professionals worry about money · Masters worry about light
    Si cam asa e Adica fara lumina buna nu prea faci poze bune.

    1. Filtru UV nu e chiar neutru...filtreaza lumina UV Dar nu face rau si nici nu creste timpii de expunere.
    2. Aplicatia care a venit cu camera nu-i de treaba?Incearca un Photoshop CS3 eventual sa vezi daca-ti place.
    3.Aici nu stiu ce sa zic...Si la fisierele JPG e la fel? La RAW e posibil sa fie altfel decat iti arata irfainview pentru ca RAW+Prelucrare Software (camera sau irfanview)=poza care-o vedem.Si daca prelucrarea software difera (AutoWhiteBalance,Brightness,Contrast,etc) atunci iti arata diferit. La Picassa de ex am obs asta.Face un auto calibrate foarte ciudat si unele poze mai "anormale" arata rau de tot. In principiu LCD-ul aparatului ar putea sa-ti redea pozele mai deschise sau inchise decat in realitae, dar cu culorile n-am auzit inca sa fie probleme.
    4.Ai mod P? Treci pe el! Fa niste experimente.E un mod semiautomat, in sensul ca expunerea/diafragma se regleaza autoamt dar iti da putina mana libera sa sub/supra expui,culori,manual WB,etc. Vezi in cartea tehnica ce-ti ofera P-ul.
    ==========================================================
    (19E+13E+5E+1W)*(H-H)@1m + SS2/TeViiS660 + DigiBox + AKTA on 42LD650 3GS
    ========================================
    ==================

  3. #3
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    Default

    Prima problema am depistat-o! Balansul de alb era pe +2 , nu-mi aduc aminte cum a ajuns asa ...
    Descarc acum niste poze facute in seara asta (cu/fara filtre) si revin cu rezultatele.

  4. #4
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    Default



    E prelucrata putin, i-am mai dat ceva contrast ...

    Exif-ul original:

    :
    Camera Manufacturer : FUJIFILM
    Camera Model : FinePix S9600
    Date modified : 2007:05:27 17:13:31
    :
    Exposure time [s] : 1/400
    F-Number : 4.5
    Exposure program : Normal (2)
    ISO speed ratings : 80
    EXIF version : 02.20
    Date taken : 2007:05:27 17:13:31
    Date digitized : 2007:05:27 17:13:31
    Components configuration : YCbCr
    Compressed bits per pixel : 13/5
    Shutter speed [s] : 1/393
    Aperture : F4.4
    Brightness : 901/100
    Exposure bias value : 0
    Max aperture : F2.8
    Metering mode : Multi-segment (5)
    Light source : Unknown (0)
    Flash : No flash
    Focal length [mm] : 8.1
    FlashPix Version : 01.00
    Colour space : sRGB
    EXIF image width : 1600
    EXIF image length : 1200
    Interoperability offset : 1194
    Focal plane X-Resolution : 2056
    Focal plane Y-Resolution : 2056
    Focal plane res. unit : cm (3)
    Sensing method : One-chip color area sensor (2)
    File source : DSC
    Scene type : A directly photographed image
    Custom rendered : Normal process (0)
    Exposure mode : Auto (0)
    White balance : Auto (0)
    Scene capture type : Standard (0)
    Contrast : Normal (0)
    Saturation : Normal (0)
    Sharpness : Normal (0)
    Subject distance range : Unknown (0)
    :

  5. #5
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    Default



    Asta e fara nicio prelucrare, doar convertit RAF-->JPG si redus la 800x600.

    :
    Camera Manufacturer : FUJIFILM
    Camera Model : FinePix S9600
    Date modified : 2007:05:27 16:36:20
    :
    Exposure time [s] : 1/210
    F-Number : 3.8
    Exposure program : Normal (2)
    ISO speed ratings : 80
    EXIF version : 02.20
    Date taken : 2007:05:27 16:36:20
    Date digitized : 2007:05:27 16:36:20
    Components configuration : YCbCr
    Compressed bits per pixel : 13/5
    Shutter speed [s] : 1/208
    Aperture : F3.9
    Brightness : 32/5
    Exposure bias value : 0
    Max aperture : F2.8
    Metering mode : Multi-segment (5)
    Light source : Unknown (0)
    Flash : No flash
    Focal length [mm] : 21.6
    FlashPix Version : 01.00
    Colour space : sRGB
    EXIF image width : 1600
    EXIF image length : 1200
    Interoperability offset : 1194
    Focal plane X-Resolution : 2056
    Focal plane Y-Resolution : 2056
    Focal plane res. unit : cm (3)
    Sensing method : One-chip color area sensor (2)
    File source : DSC
    Scene type : A directly photographed image
    Custom rendered : Normal process (0)
    Exposure mode : Auto (0)
    White balance : Auto (0)
    Scene capture type : Standard (0)
    Contrast : Normal (0)
    Saturation : Normal (0)
    Sharpness : Normal (0)
    Subject distance range : Close View (2)
    :

  6. #6
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    Default

    Si ultima pe seara asta ...


  7. #7
    Târnacopist Expert
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    Default

    Voi puteti deschide fisiere RAF in PS?

  8. #8
    Silver Member Expert
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    Default

    Poza cu trandafirii galbeni parca au o tenta cam verzuie. Sau poate m-i se pare mie.Lumina e f buna in schimb. Mi-am permis sa o modific putin in PS.Rezultatul aici.
    Referitor la fisierele RAF,da,se deschid perfect in PS CS3 Extended.
    ==========================================================
    (19E+13E+5E+1W)*(H-H)@1m + SS2/TeViiS660 + DigiBox + AKTA on 42LD650 3GS
    ========================================
    ==================

  9. #9
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    Smile

    Merci mult, chiar ca arata bine poza "fardata" de tine!

  10. #10
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    Smile

    Quote Originally Posted by mm7163 View Post
    Poza cu trandafirii galbeni parca au o tenta cam verzuie. Sau poate m-i se pare mie.Lumina e f buna in schimb. Mi-am permis sa o modific putin in PS.Rezultatul aici.
    Referitor la fisierele RAF,da,se deschid perfect in PS CS3 Extended.
    Chiar daca e offtopic, nu pot sa ma abtin sa va spun un banc cu fotografi:

    Un fumator inrait se duce la doctor pentru o radiografie pulmonara. Dupa ce-i face "poza" doctorul vine la pacient si ii spune:
    - Dom'le, am doua vesti, una proasta si una buna. Pe care s-o zic prima?
    - Pai, ziceti-o pe aia proasta ...
    - Vestea proasta e ca aveti o pata foarte urata pe plamanul drept, nu-mi place deloc ...
    - Asta e, inteleg ca trebuie sa incep sa-mi inchei socotelile ... dar totusi vestea buna care e?
    - Pata se poate rezolva totusi in Photoshop!

  11. #11
    Moderator Expert
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    Default

    Mai era o varianta:
    "... dar totusi vestea buna care e?
    - A intrat fiica-mea la facultate!"

 

 

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