I have Pentax Optio 330GS camera.
The problem is and if someone could advice me on this:
when pictures are taken in the shadows with strong light behind the object, the image come out too dark, i guess because it censers a lot of light from behind objects and makes the pic too dark. I was trying to solve this problem by using fulltime flash but that really doesn't solve the problem. Can someone help me on how to solve this problem.
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Re: Problem with taking pictures in the shadows
In very simple terms you simply didn't have enough aperture and sensor
sensitivity to get the same exposure in the camera as you got with your eyes.
The blurring was caused by camera movement while the shutter was open, hand held anything over about 1/15th of a second will be unusable at your shortest focal length.
Night photos are hard as they require maximum aperture to let in enough light, and maximum aperture means minimum depth of field so if you are close to the subject it is hard to get all of it in focus.
You can increase the ISO setting, but that introduces noise into the shot.
As you noticed using flash completely destroys the interesting lighting you were trying to capture. With a proper external flash you would have got a shot as though it were daytime, with a small inbuilt flash you just forced the camera to take a short exposure with a small aperture without adding enough flash light to get the exposure, hence the black picture.
As it was a static subject you could have tried a long exposure with the camera on a trpod, possibly using the self timer to start the shot so that you did not touch the camera at all.
Another area to take care with is colour/white balance. Your eyes are very good at adjusting for any colour cast or hue in the illumination. You will notice that a sheet of white paper looks white to you inside under normal lights, or inside under flourescent lighting, or outside in daylight .
You will find that your camera has to be preset for the colour/temperature of the illumination, to get this right you need to know the spec of the flood lights (halogen, tungsten etc) as it is unlikely the automatic white balance will get this right, being less sophisticated than the human eye/brain combination . You can of course adjust the white balance in who editing software.
I hope this helps....
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You also might want to consider NOT connecting the camera to the computer.
The best way to download pictures from your camera to your computer involves removing the memory card from the camera and plugging it into a card reader (either built-in to the computer or connected via USB or FireWire). This is likely to be faster than connecting the camera to the computer, and won't run down your camera's batteries.
Once the card is plugged in, it will appear to your computer as a removable drive. You can use the operating system's drag&drop facility to copy pictures from the card to the computer's hard drive.
Check the manual throughly- usually there is a more comprehensive manual on the CD- to ensure all the correct setting are made.
Other wise this is a flash failure[lamp or capacitor]
Take a look at the Pentex technical support site.
You've probably got something as simple as a ribbon cable loose in the
camera. Beware though, dismantling is a serious task unless you have
Amazingly the CCD is often connected in such a simple, analog-esqe, way
that disconnecting it doesn't cause an error, just a black screen.
Sounds like the images are corrupted on the card. If you have another card then try starting the camera with it. To get the card working again, you will need to format it in a card reader with FAT16 format, or try in another camera.
If you want the images, you will have to obtain repair software to try to retrieve the images.
This is because the RGB filters in the camera are not perfect, and there
is no one "green" colour.
The green pixels pick up a wide band of colours, and are
somewhat sensitive even to red and blue, especially near where green
shades into red.
Just had the same problem (black display). I moved my hand in front of it and took pictures of things but nothing happened. Then my girlfriend tried to point it to a lamp, and all-of-a-sudden it kinda woke up from a screensaver or something. So weird, but it worked. Perhaps it needs enough light in order to start using the display and lens. I couldn't take any pictures when the LCD was black. So, try pointing it towards a strong light source before you break your camera.