iso and focus

Discussion in 'Photography Beginners' Forum' started by tbrownarcher, Sep 3, 2007.

  1. tbrownarcher

    tbrownarcher TPF Noob!

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    Here is a picture that i took at about 10:00 pm. I used an sp 550 uz Olympus camera.

    the settings were.

    shooting mode.... manual

    Focal Length....... 8.6mm I do now know how this is set unless it's the zoom

    Shutter ............. 2.sec

    f.NO.................. F4.0

    exposure............. 0.0 EV

    flash................... OFF

    Color Space.......... sRGB Where do you set that ?

    ISO Sensitivity ..... 5000

    Macro.................. Off

    http://i220.photobucket.com/albums/dd254/tbrownarcher/P9020012_01.jpg

    http://i220.photobucket.com/albums/dd254/tbrownarcher/P9020012_01.jpg

    My question is one of quality. I realize that the 5000 iso I used is really high. I'm just trying to get a fix on what I'm doing wrong. I have experimented with smaller ISO and aperture settings but the quality seems to be a bit lacking no matter what I do ... Is taking a night picture like that going to be just like this or can I get better ...


    Thanks,
    Tbrownarcher (nate)
     
  2. jeeper

    jeeper TPF Noob!

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    You have to upload them to a photo hosting site and link to them.
     
  3. tbrownarcher

    tbrownarcher TPF Noob!

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    Yep! I'm trying ! I got them up there I jsut haven't had a chance to edit and put a link up should be there in a few minutes

    Thanks,
    tbrownarcher (nate)
     
  4. SteveLuke

    SteveLuke TPF Noob!

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    In my opinion an iso speed of 5000 is almost completely useless. Use a much lower iso and a much slower shutter speed. Those two things plus a tripod will equal much better quality night shots. An example could be 100 iso and around 30 seconds for your shutter speed.
     
  5. three_eyed_otter

    three_eyed_otter TPF Noob!

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    Higher ISO = Higher Noise

    What was your White Balance set to?

    have a good one
    3Eo
     
  6. itoncool

    itoncool TPF Noob!

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    Lower your iso, 100-400 (I prefer lowest), Smaller aperture to get longer detail, Wider aperture to get focused detail, USE TRIPOD (a must), cable release or remote to avoid camera shake... then, try different speed, you could get many result from different speed (15sec, 30sec, 60sec, etc)
     
  7. Garbz

    Garbz No longer a newbie, moving up!

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    For a night picture ISO100 is a must with digital cameras. Noise is induced with longer shutters, but it is induced even more if you amplify the signal from the sensor (increase the ISO). The lack of sharpness in those images looks like the result of very aggressive noise reduction needed to make the image viewable.
     
  8. pandinus

    pandinus TPF Noob!

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    I read in "Practical Photography" a few months back that one should at all times try to use the lowest possible ISO setting. So if the lowest ISO setting for your camera is 200 you should use this as often as possible. This is to reduse noise. (I remember my first SLR (35mm) when I used ISO 100 or 200 film the photos where of great technical quality, but when I used 800 or higher the photos becomes grainy.)
     
  9. tbrownarcher

    tbrownarcher TPF Noob!

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    three eyed otter:
    there is a menu for white balance but it's just a bunch of icons i don't understand. It was set on Auto wb when these pictures were taken

    I can't find my book right now but i remember seeing something that said to take a picture of a white sheet of paper being mindful of shadows. I wonder isn't that going to also be dependant on the type of light and the intensity of it ?

    How do i set it ?

    Thanks,
    tbrownarcher (nate)
     
  10. tbrownarcher

    tbrownarcher TPF Noob!

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    Garbz:

    Here again I have lost the book tonight. (instruction book) I can't seem to get more than a few seconds shutter speed. I think 4 seconds is it. I do remember that I can keep the shutter open for several minutes but I don't know how and I can't find the book nor when I did have the book could i understand what it was telling me.

    It seems the camera is more automatic than just in the Auto setting. I'm having trouble taking control of it even in the p s a and m settings. It has a mind of it's own and mine seems to be subject to it rather than the other way around .

    thanks,
    tbrownarcher (nate)
     
  11. The_Traveler

    The_Traveler Completely Counter-dependent Supporting Member

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iso and focus