Question about Canon Rebel XT / EOS 350D Digital Camera

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Do I need to have my camera cleaned?

  1. On landscape photos when sky is bright blue, 1 or 2 small circles show up in the sky.
  2. My camera was purchased last August.
  3. Could the problem have happened when I switched lenses?

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Could it be dirt on the sensor or lens flare

Posted on Jun 07, 2008

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Hi When I try to take pictures of the moon at night, the all I get is bright light without any detail. The sensor seems overloaded and the image seems smudged. I have tried with the intelligent...


All automatic-exposure cameras try to render the scene as a middle gray. The moon is a small portion of the total image, so the camera concentrates on the sky. In trying to get enough light to make the sky go from black to gray, the moon gets completely overexposed. What you want is the moon properly exposed, even if that means the sky goes completely black.

For a full moon, you want the same exposure you would use at noon on a bright day. If you think about it for a moment, it becomes obvious. The full moon is simply a landscape at high noon. Unfortunately, the camera can't know that.

Set the camera to manual. Start with the "Sunny-16 Rule", which tells you to set the aperture to f/16 and the shutter speed to 1/ISO. So for example, set the ISO to 200, the aperture to f/16, and the shutter speed to 1/200. Look at the result on the screen and adjust the exposure as needed.

That was for a full moon. For other phases you may need to add exposure, but the "Sunny-16 Rule" will still give you a starting point.

Jun 18, 2011 | Panasonic Lumix DMC-LX3 Digital Camera

1 Answer

Blue skies are splotchy. In all photos with blue or gray skies, the color looks like there is rain on the lens, although the lens is completely clean. This is severe and obvious. Photos without sky...


I had the same problem, when i check from repair people, they say that the CCD needs cleaning. I havent tried it yet, But going to do it soon. Will see what happens

Jul 13, 2009 | Konica Minolta DiMAGE Z5 Digital Camera

1 Answer

A small circle mark has started to appear on photos.


hi

two ways to determine, one look in the LCD on the back and also in the View finder

and the reason being the spec of dust on the inner of the camera, may be on the reflector try if yu can get it cleaned from the inside

hope this helped
cheers

Jun 28, 2009 | Fuji FinePix Z1 Digital Camera

1 Answer

Prints have darker same color circles are the same size.


The ccd sensor is dirty. Have it cleaned at a camera shop. You can do yourself with sensor swabs and eclipse fluid but it a is very delicate operation. Local shop here cleaning is $45 and no spots, well worth it.

May 12, 2008 | Nikon D80 Digital Camera with 18-135mm...

1 Answer

Purple Tint Sky


auto white balance should work OK. I was thinking maybe you had accidentally switched it to the Fixed setting. Hmm. You said you were using Normal and Landscape modes. Just to see how it works, I would suggest switching from Program mode to Full Auto. See if that fixes your purple skies. I don't know why it would, but it is something to try

Sep 13, 2005 | Epson PhotoPC 3000Z Digital Camera

2 Answers

Blue skies


Things to consider regarding "blue skys"... Time of day (Sunlight has different color spectrum mix & kelvin temp as the dawn passes on to night. Atmospheric conditions - humidity, ozone, smoke/dust - all filter the colors White Ballance - Do a manual WB before shooting each series. Camera - different sensors are not created equal. One may play more to the blue end, another towards flesh tones. Lens systems, filters affect it too. Many say a good polorizer is one of the best investments for outdoor photos Display media - Monitors need to be color balanced to accurately portray "what you shot". Likewise, color print labs do best with digital files tuned to their specific hardware profiles.

Sep 06, 2005 | Panasonic Lumix DMC-FZ20 Digital Camera

2 Answers

Finepix 2400 Dark landscape shots


I was just out yesterday taking pictures in very hazy conditions, and some of my shots were facing south at about noon. I was actually expecting the sky to be overexposed, so I took two pictures of everything, one on auto, and one on manual with the exposure set to -0.6. Well, it turned out that even the ones on Auto were dark, so the ones on the manual settings were even worse! As it turns out, I had the same problem you had, and should have boosted the exposure. Reading the manual, it does say that you should use positive compensation for very bright scenes or pictures of mostly sky. Try it next time and see how that works. I'm new to this too, but I'll get the hang of it sooner or later... ;)

Sep 04, 2005 | Fuji FinePix 2400 Zoom Digital Camera

1 Answer

Shooting modes


The Shooting modes are as follows: PROGRAM (P)/AUTO Modes Used for general photography. The camera automatically makes the settings for natural color balance. In PROGRAM (P) the brightness (exposure compensation) can be adjusted. In AUTO mode you cannot use exposure compensation or panorama features. Portrait Suitable for taking a portrait-style shot of a person. The camera automatically sets the optimal shooting conditions. Sports Suitable for capturing fast moving action without blurring. Even a fast moving object will appear to be stationary. Landscape Suitable for taking photos of landscapes and other outdoor scenes. The camera automatically sets the optimal shooting conditions. Night scene Suitable for shooting pictures in the evening or at night. The camera sets a slower shutter speed than is used in normal shooting. If you take a picture of a street at night in any other mode, the lack of brightness will result in a dark picture with only dots of light showing. In this mode, the true appearance of the street is captured. The camera automatically sets the optimal shooting conditions. If you use the flash, you can take pictures of both the subject and the background. Nightscene + Portrait Suitable for taking photos of your subject in the evening or at night. This setting employs a slow shutter speed, the camera should be stabilized to avoid camera shake resulting in a blurred picture. Landscape + Portrait Suitable for taking photos of both your subject and the landscape. This setting allows for both the foreground subject and background landscape to be in focus. The camera automatically sets the optimal shooting conditions. Self Portrait Enables you to take a picture of yourself while holding the camera. Point the lens towards yourself and the focus will be locked on you. The camera automatically sets the optimal shooting conditions. The zoom is locked to wide-angle and cannot be changed. Indoor Optimum settings for taking pictures of family gatherings and groups of friends. This mode reproduces the background clearly capturing the atmosphere. Beach Suitable for taking photos at the beach under a bright blue sky. Colors of the sky, the beach and people are reproduced vividly. Snow Optimun settings for taking pictures where backgrounds are snow fields. Settings are similar to Beach settings and colors of the sky, the greenery and people are reproduced vividly. Fireworks Optimum settings for capturing fireworks in the night sky. Since this setting employs a slow shutter speed , the camera should be stabilized to avoid camera shake resulting in a blurred picture. Sunset Optimum settings for capturing pictures of the setting sun. This mode reproduces reds and yellows vibrantly. Again, this setting employs a slow shutter speed , the camera should be stabilized to avoid camera shake resulting in a blurred picture.

Sep 01, 2005 | Olympus D-595 Zoom Digital Camera

1 Answer

Shooting modes


The Shooting modes are as follows: PROGRAM (P)/AUTO Modes Used for general photography. The camera automatically makes the settings for natural color balance. In PROGRAM (P) the brightness (exposure compensation) can be adjusted. In AUTO mode you cannot use exposure compensation or panorama features. Portrait Suitable for taking a portrait-style shot of a person. The camera automatically sets the optimal shooting conditions. Sports Suitable for capturing fast moving action without blurring. Even a fast moving object will appear to be stationary. Landscape Suitable for taking photos of landscapes and other outdoor scenes. The camera automatically sets the optimal shooting conditions. Night scene Suitable for shooting pictures in the evening or at night. The camera sets a slower shutter speed than is used in normal shooting. If you take a picture of a street at night in any other mode, the lack of brightness will result in a dark picture with only dots of light showing. In this mode, the true appearance of the street is captured. The camera automatically sets the optimal shooting conditions. If you use the flash, you can take pictures of both the subject and the background. Nightscene + Portrait Suitable for taking photos of your subject in the evening or at night. This setting employs a slow shutter speed, the camera should be stabilized to avoid camera shake resulting in a blurred picture. Landscape + Portrait Suitable for taking photos of both your subject and the landscape This setting allows for both the foreground subject and background landscape to be in focus. The camera automatically sets the optimal shooting conditions. Self Portrait Enables you to take a picture of yourself while holding the camera. Point the lens towards yourself and the focus will be locked on you. The camera automatically sets the optimal shooting conditions. The zoom is locked to wide-angle and cannot be changed. Indoor Optimum settings for taking pictures of family gatherings and groups of friends. This mode reproduces the background clearly capturing the atmosphere. Beach Suitable for taking photos at the beach under a bright blue sky. Colors of the sky, the beach and people are reproduced vividly. Snow Optimun settings for taking pictures where backgrounds are snow fields. Settings are similar to Beach settings and colors of the sky, the greenery and people are reproduced vividly. Fireworks Optimum settings for capturing fireworks in the night sky. Since this setting employs a slow shutter speed , the camera should be stabilized to avoid camera shake resulting in a blurred picture. Sunset Optimum settings for capturing pictures of the setting sun. This mode reproduces reds and yellows vibrantly. Again, this setting employs a slow shutter speed, the camera should be stabilized to avoid camera shake resulting in a blurred picture.

Aug 31, 2005 | Olympus D-545 Zoom Digital Camera

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