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Re: Problems with picture out of focus
In your control panel on windows you "should" see "Logitech Camera Control". You should be able to find many settings slider bars to tweak your cameras visual performance.
You can also access the settings of your camera from instant messenger options most of the time, such as MSN, Yahoo, Skype, and so on. Most of the time, if you click on "options" or "settings" in any of these, you should find something for camera settings, or audio/video settings.
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Even the cheapest webcam has a beveled ring that is used to adjust the aperture which focuses the image. While watching the live image on your PC monitor slowly adjust this ring and your pic should come into focus.
check if your USB cable is properly plugged. Also try connecting your webcam directly to your PC instead of through a USB hub
if your webcam's image is not sharp, check to see if it has a focus ring. A blurry image can sometimes simply mean the webcam is not in focus. Adjusting the focus through the ring can solve that problem.
Other picture quality problems with webcams can be addressed by changing the video capture properties for the webcam. Most programs that can use a webcam will have an option to access the properties of the video source, which will bring up the video capture properties window.
Check the mirror. The image you see in the viewfinder comes through the lens, and is reflected by the mirror. If it's dirty, it will affect the image you see. When you take the picture, the mirror lifts up, the viewfinder image is interrupted, and the light from the lens goes to the image sensor. So...if the mirror is dirty, the picture will be fine but the viewfinder image will be dark or out of focus.
Difficult to answer specifically without knowing the model. But binoculars are designed to view objects in the distance. They all have a limit as to how close they will focus based on the magnification and design. Objective lenses that are far apart such as on a porro prism binocular will not focus very close. The nature of the design of having the objectives further apart than the eyepieces doesn't allow it. When trying to focus too close the image will appear blurred and double. That is the nature of the design. 9 feet or 3 metres is considered quite close to focus a binocular and is usually for a model designed to do this such as a roof prism where the objective lens and the eye lenses are inline. A specialty binocular such as the Pentax Papilo will close focus to 50 centimeters. It has been designed so that the objective (large lenses) lenses converge.
Take into account when focusing that binoculars are also designed to compensate for differences in each eye. One of the eyepieces either right or left will adjust seperately. For binoculars with a center focus ring. First focus using the center ring with one eye covered. The eye that should be covered is the one that doesn't have the adjusting eyepiece. When the image is clear close the eye you have just used and leave the center focus alone. Focusing on the same spot look through the eyepiece that adjusts and turn the eyepiece ring until the image is clear. Now all you have to do is focus using the center ring only as the binoculars are adjusted for each eye.
Some binoculars do not have a center focus and each eye will adjust seperately.
Normally this problem is caused by incorrect setting of the dioptre. This is a "focus" ring on the eyepeice which adjusts for the strength and position of the eye. Try adjusting this for best focus at about 5-10metres prior to focusing the unit.
There is a focus ring around the lens of the WEB cam turn this ring until your image becomes clear, just like a camera focus knob.
Click on the WEB cam software, you will be able to go into an options or configuration, click on video setting, you should see an image of yourself, adjust the focus until the image is clear.