Powershot A400 flash problem

Discussion in 'Digital Point & Shoot Camera' started by Rob J, Aug 22, 2005.

  1. Rob J

    Rob J Guest

    See http://www.dcresource.com/forums/showthread.php?t=11486
    and the attached pictures.

    I've been taking photos with digital cameras for years. I have never
    seen this much problems with flash photos. It is something that
    happens consistently - I have a set of test images and these date over
    the entire life of the camera to date (6 weeks).

    It's funny we are not seeing a lot of comment from Powershot A400
    owners, either that or it is too new a model so far.
     
    Rob J, Aug 22, 2005
    #1
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  2. Rob J

    shee Guest

    I have also had this problem with a Fuji digital camera, with flash but
    mostly in very bright sunlight. I also came to the conclusion that it was
    reflection, but felt that it was bright spots on the object being
    photographed reflecting back at the camera. If the photo had the potential
    of being really good, or passed around elsewhere, I removed the spots (or
    should I say hid the spots?) by using the clone brush in Paint Shop Pro (by
    JASC). I now use an Olympus, and have not had the problem in any light or
    situation.

    Sheila
     
    shee, Aug 22, 2005
    #2
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  3. How close to the lens is the flash unit on that camera? Your spots
    don't seem to be consistent in location as they'd be with dust in or
    on the lens. I've seen this phenomenon before when the flash and lens
    are very close together and particles of airborne dust are floating
    fairly near the camera. The light from the flash reflects back from
    the dust particles to form blurry out of focus disks in the picture.
     
    Frank H. Emens, Aug 23, 2005
    #3
  4. Rob J

    Rob J Guest

    The lens and flash are very close together, in fact the flash is right
    above the lens unit slightly to its left.

    There is actually a warning in the manual about white dots appearing
    on the picture, which it claims is a phenomenom that occurs with
    digital cameras.

    But I have been shooting with digital cameras for years and never saw
    this problem on any other camera consistently like this one, which
    suggests to me either a fault with this particular camera or design
    fault - such as you suggest, the flash is too close to the lens.

    I have in addition to this camera a Powershot S1 and this camera takes
    flawless flash pictures, except for one day when the lens was dirty or
    had rainspots on it - never saw that happen again, whereas the A400
    has done it almost all the time.
     
    Rob J, Aug 24, 2005
    #4
  5. Rob J

    Rob J Guest

    Comment from the retailer (a professional photo retailer rather than a
    chain store) is that they have seen no other instances of this sort of
    thing nor a rash of camera users coming in reporting similar problems.

    If it is a design issue with this particular camera, I would have
    expected to see more instances.

    But as this is a basic point and shoot model it may be that the
    typical user is a novice or someone who doesn't use the camera very
    much and doesn't notice these things.

    The retailer is very much on my side as is the law in this country -
    so we wait for the next development. Right now my job is to take some
    more photos to see if the problem is still occurring.
     
    Rob J, Aug 24, 2005
    #5
  6. Rob J

    Rob J Guest

    But then there has to be a lot of dust around. None of these photos
    were taken in dusty conditions.
     
    Rob J, Aug 29, 2005
    #6
  7. Rob J

    _ Guest

    There's always plenty of dust around; I'm sure you've noticed this when
    a sunbeam enters a dark room. This observation also provides the clue to
    a solution for your problem. Dust is more visible in low-light
    conditions with a single strong light source, such as flash.

    Try shooting in better lit conditions (turn on a light), use a larger
    aperture (on the A400, I would test out the various scene modes,
    especially portrait, night scene and indoor) and avoid the flash
    whenever possible (if the above doesn't obviate the need for flash, use
    a mini-tripod).

    Still not convinced?
    http://home.fujifilm.com/products/digital/tips/reflect/
     
    _, Aug 29, 2005
    #7
  8. Rob J

    Rob J Guest

    Ah well. Pity, it's a very good camera for the money.
     
    Rob J, Sep 1, 2005
    #8
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