Pentax Optio waterproof camera
Day time photos suddenly seriosly overexposed without changing settings. camera shutter also appears to remain open for too long as subject appear very bright and blurred.
night time photographys as normal.
Could be a camera problem but it's possible that your hand or part of a straying finger may be covering the sensor on the front that tells the camera what the exposure is in full auto mode. You'll need to do some test shots making sure there's noting in the way. It could be that the sensor is failing, maybe put the camera into fully manual and take a shot a about 125th of a second at f16 on a bright, sunny day to see if the camera responds with a good image. A good source of information is the manufacturers web site, there may be a firmware download that could fix the problem.
Good luck with it.
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Jun 11, 2015 - Aperture: Set your aperture to f/11. Shutter Speed: Set your shutter speed to 1/125 on cameras with base ISO 100, and to 1/250 on Nikon DSLRs with base ISO 200. Lens Focus: Set your lens to manual focus (either through a switch on the lens or on the camera) and set your focus to infinity.
Aug 7, 2014 - Start with ISO 200, f11 aperture and 1/125 second. Try a test shot. Then use trial and error by changing the shutter speed until you can find the best exposure that works for your composition without overexposing the moon. Turn off auto focus.
A stuck shutter is another common failure mode for digital cameras. The symptoms of a stuck or "sticky" shutter are very similar to CCD image sensor failure. The camera may take black pictures (for shutter stuck closed), or the pictures may be very bright and overexposed, sometimes with lines, especially when taken outdoors (for shutter stuck open).
To confirm a stuck shutter, put the camera in any mode other than "Auto", and turn the flash OFF (you don't want to blind yourself for the next step). Next look down the lens and take a picture. You should see a tiny flicker in the center of the lens as the shutter opens and closes. If no movement is seen, then you likely have a stuck shutter. If so, please see this link for further info and a simple fix that may help.
It indicates the shutter speed is too slow for you to hold it by hand without something like a tripod. Either there's not enough light in the conditions you're taking the pictures in, or you need to try changing the settings on the camera, such as increasing the ISO setting, or light sensitivity, so it can use a faster shutter speed. If it's close range, turn on the flash. If you can't change the settings, you can try bracing your hand against a fixed object so that the camera doesn't move, and just gently squeeze the button to take the picture. Novices frequently jab the shutter release to take pictures, which will cause blurry pictures from the camera moving.
Check manual,reset to factory default settings,if no results
Probably the shutter flex cable is broken,have it changed or change whole
lensblock,labor intensive,technical skills required.
Symptoms:overexposed pictures ,horizontal lines (as watermark)
Reason: Shutter flexcable breaks due to lens movements after intensive use
Parts are available at ebay
Sorry we got cut off from the live chat.
Here is the link to the manual if you need it;
It sounds as though you have a problem with the shutter speed, first check again all the settings are ok and normal, try reset to defaults (page 78) and see if you get any change.
It could be a mechanical problem, either sticking of the mechanism perhaps due to underuse or exposure to humidity or heat, or a problem with the drive motor for the shutter - maybe a battery problem giving a low voltage to the shutter drive, or to the clock in the processor slowing the shutter down. try a few very gentle slaps of the camera see if this frees something up, take the camera for a drive in your car on fairly rough roads for a while, or putting it on top of the washing machine (make sure it wont fall off) often works well to free up a stuck mechanism.
It is just possible that the screen is to blame - see if you can view a picture taken before the problem started, or with a different camera, to see if the screen is the problem.
Still no luck try pentax SA direct;
Pentax customer service is normally excellent, and their cameras are usually worth getting fixed.
Hope this helps, call me back if not :)
Normally there are two reasons for the given problem.
1). Bad or defective CCD. and/or
2). shutter not working.
in the first case the only solution is the replacement of the CCD. and in the later case sticking of shutter blade, non functioning of shutter blade will cause the problem. This can be rectified by sending it to some repairer.
No I don't believe it is your shutter, more than likely it is a LCD Screen problem. I would suggest you take your camera back to the shop where you purchased the camera and have it serviced under warranty.
I had a customer with an Optio 550 come in and it looked like every shot was taken through 'venetian blinds' and the problem was with the LCD Screen and the camera was sent back to Pentax and repaired under warranty.