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Re: shutter making an extra clicking noise
You are taking long exposures over 3 seconds, the camera does make some slight noise while the timer is going through the count down, that is normal, as long as the shutter is doing what it is supposed to do and your image is coming out (and the ones over 3 seconds also) it sounds normal. Only if it is hanging up and taking longer than the time you are describing, then the shutter should be cleaned.
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Long exposures increase the amount of noise recorded in any digital image. Your camera uses blank frame subtractive noise reduction, like most others. After a long exposure with the shutter open, it temporarily records another similarly long exposure with the shutter closed. It then subtracts any hot pixels (noise) showing in the second image from the one you have just captured as they will overwhelmingly be in the same sensor locations on both images, regardless of any image data.
While all that is going on, your camera will be busy and unavailable for use, and that's exactly what it's trying to tell you.
If you don't want noise reduction then go into the camera menu and turn it off, but you will likely find that you spend far longer cleaning up your images afterwards.
Hope this has explained the issue clearly and that you are able to take a moment to rate my answer.
There are several solutions to taking pictures in the dark or low light. Night time photography can be difficult without a tripod. There are three ways you can get a brighter photo 1. Larger aperture - Make sure the aperture is set to the lowest f-stop for the largest aperture. f/2.8 or f/5.6 depending on your lenses capabilities. Choose the lowest number 2. Longer shutter speed - A longer shutter speed will allow more light to hit the canera's sensor and create a brighter picture. Unfortunately with a longer shutter speed, you will probably need a tripod because the photo will come out motion-blurred otherwise. 3. Higher ISO - A higher ISO will make the camera's sensor more sensitive to light and therefore creating a brighter picture without having to have a longer shutter speed. High ISO, however, can introduce unpleasant noise/grain to a photo.
If you want to take your picture while holding the camera in your hands, I recommend the largest aperture (small f/stop) and a high ISO. If you have a tripod, use it! and use a longer shutter speed since the tripod will hold the camera steady for you.
Proper exposure is a balancing act between the shutter speed and the aperture (the size of the opening in the lens). (There's also the ISO sensitivity, but I'll ignore that for now.) If the shutter is open for a longer time, the lens must be closed down. If the shutter is open for a shorter time, the lens must be opened up wider to allow the same amount of light to reach the sensor.
The Shutter priority mode attempts to adjust the aperture to give the proper exposure for the shutter speed you've selected. The lens has physical limits as to how wide the opening can be. If the shutter speed is too fast, the lens will only open as far as it can go but that may not be enough. In this case the camera will display "Lo" in the viewfinder to warn you but will go ahead and take the picture anyway. If the shutter speed is too fast then you won't get enough light through the lens and you'll end up with a dark or black picture.
Try reducing the shutter speed (leaving it open for a longer time), like 1/30 of a second instead of 1/125 of a second. If the shutter is open too long, you run the risk of camera motion. You can also increase the ISO setting, making the sensor more sensitive to light. This increases digital noise, which looks somewhat like film grain. You can also try adding more light, perhaps by using the flash, if the subject isn't too far from the camera.
Sounds like the problem Canon had to fix for me with my S2 IS which did the same thing. My camera shot blank pics. It turned out to be a stuck shutter. The camera makes all the usual noises, but the shutter is stuck closed.
check your camera's shutter speed then try shooting again. set it to different modes, try manual, increase the shutter speed to 80. don't use flash shoot in daylight. try that first... see if its still blurred. hit me back on the results.
I had what sounds like the same problem. The camera was dropped and the shutter was stuck open. Just kept showing error message.
As I felt I had nothing to lose I began tapping it on a soft book and the shutter started to appear. I then shut it just using the end of my finger. When I then turned the camera on again it opened and shut when turned off. It has worked fine ever since.
Seems a rather poor design. Hope this helps. Very best regards Peat.
First, try to get more light, particularly natural light (window); second, try using shutter priority (S mode), setting the shutter speed at not less than 1/50, faster if you are shooting motion/action (check the Properties of the blurred pictures that you've been getting in Camedia software - the shutter speeds are probably too slow because of the low light), and experiment with higher ISO settings (either 200 or Auto, not 400) though there's a trade-off in noise levels.