Since few days the Image Stablization (IS) feature is not functionning in my A710 camera. I am able to configure and see the IS symbal appearing on the LCD display but internally not getting activated. I tested by taking pictures of a moving ceiling fan. Appreciate solution.
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Re: Image Stablization not functioning
Image stabilization cannot correct for movement of the subject (fan). Image stabilization only corrects for movement of the camera/photographer. If you take a picture of the ceiling fan with the flash turned on, or set the ISO to a higher number, you will see that the fan is less blurred because you have increased the shutter speed.
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The world of compact digital cameras is fast and furious blink and you'll miss the new model. These pocket point and shooters are cram packed full of features that most people neglect to utilize. So it's uncommon for the problem you describe to occur however it's simple and fairly inexpensive to repair. What you need is to replace the camera's internal battery which holds the custom functions and date time settings after the camera has been shut off. Normal internal battery life is greater then five years and a lot of my cameras go ten years before replacement. A camera store not your big box type but one that actually sells cameras and does film and print processing. I don't know where you are to even suggest someone. However at the bottom of the camera where you would place the memory card and batteries there is another slot for the internal battery. This link half way down the page will show the open battery door and where the internal battery is located. http://www.digitalcamerareview.com/default.asp?newsID=2981&review=canon+powershot+a710+is
There has been few complaints or problem with this camera except for the very weak internal flash.
There is a secondary battery I suppose for memory retension. It is housed where the other batteries and memory card are, the battery is a CR1220. I replaced that battery and things are working well again.
The reason for this is that the auto scene function chooses which ISO (light sensitivity) is needed to have a fast enough shutter speed to capture a still image (instead of a ghosted image). There is no way to change this. You can switch modes to P and specify the ISO you want to use (100-200 will give you a clear, non-grainy image, 400+ will be grainy). To capture a still image in low light with a low ISO, you need to use a tripod. Hope this helps.
Consider moving the camera further from the document, and then using the zoom (with a tripod) to close in on the document. You may also need to use a "book holder" with this technique. The A710 also has many manual features that you can tweek. Consider using manual focus to ensure sharpness in the image of the document. Also try varying Shutter and Aperture priority (Tv and Av) settings. Recommend first doing this at home to find what works best before going to the library.
The stabilization is not for moving objects! To freeze a picture of a moving object, you need to raise the shutter speed and open the apature accordingly. Refer to the light metering in the camera for proper exposure. For faster speed, you really need more light.
The stabilization is for when you hold the camera. It helps prevent camera movements by the photographer to show in the pictures.
Just take care that the image stabilization has its limits.
Pixel Mapping is a feature of the camera to check and adjust the CCD and image processing functions. Pixel Mapping is a feature of the camera to check and adjust the CCD and image processing functions. Locate Pixel Mapping in the camera's menu and select OK to activate it. Once Pixel Mapping is completed the Menu displays. The bright dot should no longer appear in your downloaded images.