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#1
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Olympus camera overexposes
Olympus FE-20 p&s digicam.
Holding the camera up and using the display as the viewfinder, the exposure looks normal. Pressing the shutter button results in an overexposed photo. It doesn't matter if the flash is on or off; the resulting photo shown on the LCD display is always overexposed. Changing the exposure setting does have a little effect on the exposure. I'm a bit confused; if the "before the shot" view in the display is accurate, why would the exposed photo be different? What might be the cause? Thanks, Dave |
#2
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Olympus camera overexposes
"DaveC" wrote in message ... Olympus FE-20 p&s digicam. Holding the camera up and using the display as the viewfinder, the exposure looks normal. Pressing the shutter button results in an overexposed photo. It doesn't matter if the flash is on or off; the resulting photo shown on the LCD display is always overexposed. Changing the exposure setting does have a little effect on the exposure. I'm a bit confused; if the "before the shot" view in the display is accurate, why would the exposed photo be different? What might be the cause? Thanks, Dave What do the negatives look like? |
#3
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Olympus camera overexposes
Olympus FE-20 p&s digicam.
^^^^^^^ What do the negatives look like? ?? |
#4
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Olympus camera overexposes
On 2010-01-21, DaveC wrote:
Olympus FE-20 p&s digicam. Holding the camera up and using the display as the viewfinder, the exposure looks normal. Pressing the shutter button results in an overexposed photo. It doesn't matter if the flash is on or off; the resulting photo shown on the LCD display is always overexposed. Changing the exposure setting does have a little effect on the exposure. I'm a bit confused; if the "before the shot" view in the display is accurate, why would the exposed photo be different? What might be the cause? Thanks, Dave Are the pictures pale-looking even when you upload them to a computer? Has the camera previously produced acceptable pictures? Is thebattery OK? Could be a fault in the exposure meter or in the 'firmware'. -- -- ^^^^^^^^^^ -- Whiskers -- ~~~~~~~~~~ |
#5
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Olympus camera overexposes
Olympus FE-20
- - - Are the pictures pale-looking even when you upload them to a computer? Has the camera previously produced acceptable pictures? Is the battery OK? Could be a fault in the exposure meter or in the 'firmware'. Wouldn't these faults be evident in the "viewfinder" mode (before taking the exposure)? When I aim the camera at light and dark subjects the camera compensates by "irising" up and down to give what looks to be a properly-exposed "preview" display. Only when the image is captured is it overexposed. Images downloaded and viewed on the computer are overexposed, identical to when viewed on the camera's display. This is a new-to-me camera (used) so I don't know the history. Battery icon is green (fully charged). It doesn't matter whether flash is on or off. Ideas? |
#6
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Olympus camera overexposes
Wouldn't these faults be evident in the "viewfinder" mode (before
taking the exposure)? When I aim the camera at light and dark subjects the camera compensates by "irising" up and down to give what looks to be a properly-exposed "preview" display. Only when the image is captured is it overexposed. Images downloaded and viewed on the computer are overexposed, identical to when viewed on the camera's display. This isn't what I remember you saying. Regardless... If the picture is consistently misexposed, then the exposure-compensation control (assuming the camera has one) should fix the problem. If it doesn't, then the camera needs repair or replacement. As I said, this discrepancy is not uncommon. |
#7
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Olympus camera overexposes
If the picture is consistently misexposed, then the exposure-compensation
control (assuming the camera has one) should fix the problem. Compensation doesn't fix the problem, it fixes the symptom. The problem remains. The compensation range on this camera is +/- 2 stops and this is not enough. If it doesn't, then the camera needs repair or replacement. I'm asking questions to find out what the cause is. Repair options to be considered after this is determined. Thanks. |
#8
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Olympus camera overexposes
If the picture is consistently misexposed, then the exposure-compensation
control (assuming the camera has one) should fix the problem. Compensation doesn't fix the problem, it fixes the symptom. The problem remains. The compensation range on this camera is +/- 2 stops and this is not enough. If it doesn't, then the camera needs repair or replacement. I'm asking questions to find out what the cause is. Repair options to be considered after this is determined. If +/- 2 stops isn't enough to compensate, then the camera is either grossly misdesigned, or it's defective. The "cause" is immaterial, as a properly designed and operating camera should not show this problem (or symptom, as you prefer). |
#9
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Olympus camera overexposes
On 2010-01-21, DaveC wrote:
Olympus FE-20 - - - Are the pictures pale-looking even when you upload them to a computer? Has the camera previously produced acceptable pictures? Is the battery OK? Could be a fault in the exposure meter or in the 'firmware'. Wouldn't these faults be evident in the "viewfinder" mode (before taking the exposure)? Not necessarily. In 'viewfinder' mode one set of 'firmware' routines operates to put an image on the screen; in 'picture taking mode' a different set of routines determines the 'exposure' settings and then encodes the image for 'saving' to memory, probably doing some 'processing' and then compressing the data to a JPEG file, for point-and-shoot cameras. Then yet another set of routines comes into play when you look at the saved image. Any of those firmware routines can become corrupted, for example by physical damage to the camera or exposure to electro-magnetic radiation that's powerful enough to scramble the bits and bytes stored in the micro-chips. When I aim the camera at light and dark subjects the camera compensates by "irising" up and down to give what looks to be a properly-exposed "preview" display. Only when the image is captured is it overexposed. OK, so the firmware that processes compresses and saves the image, may be faulty; or the firmware that calculates the exposure; or the hardware exposure meter (if there is one, as such). Images downloaded and viewed on the computer are overexposed, identical to when viewed on the camera's display. This is a new-to-me camera (used) so I don't know the history. Battery icon is green (fully charged). It doesn't matter whether flash is on or off. Ideas? You've got a duff one. A camera shop may be willing to 'look at it', but don't hold your breath. -- -- ^^^^^^^^^^ -- Whiskers -- ~~~~~~~~~~ |
#10
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Olympus camera overexposes
Any of those firmware routines can become corrupted,
for example by physical damage to the camera or exposure to electro-magnetic radiation that's powerful enough to scramble the bits and bytes stored in the micro-chips. It doesn't work that way. And if it did, the firmware would likely fail altogether. |
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