BetterPhoto Q&A
Category: Problems with Photo Equipment - Tips & Tricks

Photography Question 

Chuck
 

Flash Over Exposure



I have a sony cyber shot and seems that the flash is too slow or too fast. The pictures come up to bright, white faces, or alot of reflection from white areas. I was wondering what causes the flash, I think shutter speed, to change. I was thinking maybe a blown capacitor? Im pretty sure the overexposure has to do something to do with with the flash mechanism tho.


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July 26, 2007

 

Melissa Defernandez
  Hi
Do you have the model name or number of the camera?


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July 26, 2007

 

Chuck
  DSC-T33


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July 27, 2007

 

Chuck
  DSC-T33, another thing I noticed is that the flash makes a noise, before it used to be quiet


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July 27, 2007

 

Dot K.
  You may want to try changing the ISO setting. If you set it to 100 you should get a lower level of flash, at 400 it should give you a higher level of flash.


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July 27, 2007

 

Melissa Defernandez
  Hi
I have done extensive reading of reviews and owner opinions of this camera and it seems the weakness is the flash being too small and thus not powerful enough. Most people gave opinions along these lines, which are a combination of opinions...

"The flash is rather weak. It illuminates the center of the frame more than the corners and has an effective range of less than 8 feet. It has a recycle time of only about 5 seconds. Rather fast for the camera size but the flash is pretty weak.

In its red-eye reduction mode, the camera emits a series of bright annoying flashes before the actual flash.

You can use the exposure compensation in the Program mode and it comes in handy in some situations.

The camera produces contrasty photos that have a pleasing color with slight oversaturation (by default) and a slight warm cast. The dynamic range of the photos seems to be slightly limited, especially in highlights (as in other consumer-level digicams). In harsh lighting conditions, the highlights can be blown out. Overall, the dynamic range is decent, comparing to other compact camera of similar price.

You may want to try out some experiments such as taking an indoor photo of the same subject from the same distance but just change the ISO using 100, 200 and 400 and then examining the results on your computer.

As said by Dot K if you put the ISO higher like up to 200 or 400 the flash will go further but you will get a small amount more of grain (but unless you are printing out bigger than A4 size you probably wouldn't really notice it.)

If that doesn't reveal any useful findings you can also try using the exposure compensation feature by going to + or -, with the + giving the photo more light and the - giving the photo less light.

Also the camera has a useful histogram setting. The camera can display a live histogram in the shooting mode as well as in the review mode to show you if you have overexposed the highlights or underexposed the shadows. A useful feature when you don't trust the LCD.

Just try changing one setting at a time and take photos of the same subject and in the same light or you may not have a true comparison.

Let the forum know how you go?

Good luck.


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July 27, 2007

 

Chuck
  I tried your guy's advice but still no progress. I still get either white pictures or overexposure when ever I use the flash. But at a certain distance or environment, pictures come out fine. I think it has to do something with the flash components because it makes that noise which used to be there. Im pretty sure it isnt the camera itself because I can take great looking pictures with out flash.


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July 30, 2007

 

Chuck
  well, I made a cheap fix to it. I just put some tissue over the flash and 99% of the problem was solved. Im guessing there was a tint on the flash or the lense that wore out.


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July 30, 2007

 

Dot K.
  Glad to hear you found a cheap fix. I'm not sure about the camera you're using but my Sony DSC-S85 if I remember right, lets me set a level of flash, and the Alpha has flash compensation settings. You may want to look around through your settings and see if there is anything similar.

From what I have been able to find about the model you're using, it has a pre-flash metering feature, that will set the exposure according to the preflash so you may want to see if using it gives you better results.


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August 01, 2007

 
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