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How do i focus my USB2.0 Camera - Computers & Internet

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If you see the lens of the camera there will a roundish black circle over it, turn it cockwise or anti clockwise to focus yourself. But do it when it is connected to your computer so you can see the difference it makes after turning

Posted on Sep 18, 2010

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Why when you turn the camera appears focus error


Although the manual does not have indicate a focus error, I assume you notice the camera can't focus correct.
I hope you know the camera has a focus selector, see the picture. (in the manual, page 10. For auto focus you should select C-AF (continues) or S-AF (single). If it is in manual, toy should focus yourself using the focus ring on the lens (closest to the camera)
Then to help the focus system, there is a external AF sensor. If it is dirty, then it is difficult for the camera to focus correct in a short time.
Also be aware the camera likes to have extra contrast on the focus distance and no objects in front of the subject you want to pictures, with lots of contrast.

Sometimes point to a object with a sharp contrast, on the same distance, press the shutter release button half, then reframe your picture and only then press the button complete.
when you want to shoot fast moving objects choose C-AF.

I hope this helps.
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Jul 13, 2014 | Fuji Finepix S9600 Digital Camera

1 Answer

Digital camera won't focus


I see your camera has a focus area. If you have a subject with enough contrasting parts in this area, the focusing should work fine.
You must know that not every subject can be focused on as quick or as good as you would like. If there are little contrasting lines in the subject, or when it is getting dark or there are dark and light parts in the focus area, that don't belong together, every camera can have problems to focus correct. Changing the ISO settings won't change anything for the auto focus.
But special when you try to shoot in almost dark places, you camera will have lots of work to focus and in most cases it won't work at all.

You could try to place an object with light and dark lines, on the same distance as the object you want to picture. Then by pressing the shutter half, when focusing on the object with much contrast, you can look if the camera can focus. If it is in focus, keep the shutter pressed half way down, while moving to the object you want to shoot a picture of. Once you have every thing in the frame as you want it, press the shutter complete.

Dec 27, 2013 | Vivitar Vivicam 5388 Digital Camera

1 Answer

Sx40 hs not focusing for all shots


Hi Brian. First you have to narrow the problem down. Is it your camera or the lens that's producing the problems. Can you try a friends' lens on your camera to see if it still malfunctions? if it does then it's your camera body. Alternatively you could try your lens on a friends' camera to see if he gets the same problem.
Are you using all the focussing points? If you are then this might be the problem because the focus points are spread across the viewfinder and if one of the points sees an object that is nearest to the camera, it will focus on that.
Try usng only the centre focus point and use the focus lock to try and get good focus. Hope this helps.

Nov 02, 2013 | Canon PowerShot SX40 HS Digital Camera 2GB...

1 Answer

Is it possible to manually control the focus on this camera? (Konica Minolta Maxxum 400si SLR 35mm Film Camera) I need to be able to manually control the focus, apeture, and shutter speed for a film...


The description of the manual focus is available in part 2 of the manual, page 40. The manual is available as a PDF here: http://ca.konicaminolta.com/support/manuals/film-cameras/film_af_slr/index.html#si_series . It is the seventh camera in the SI series in the list.

To manually focus the lens, press the focus-mode button on the front of the camera (bottom left when you are behind the camera) until M. focus appears in the data panel. If you have an AF lens, turn the focusing ring until the subject appears sharp. If you have an xi-Series or AF Power Zoom lens, pull and turn the lens control ring.

The focus indicator will light when the subject is in focus. To return to autofocus mode, press the focus-mode button again. The camera will also return to the autofocus mode if you press the program reset button.

I hope this helps.

Cindy Wells
(in manual focus, you can take a picture even if the subject in the focus frame is not in focus. Often it means you need to take multiple pictures to get a good shot of the subject. The advantage is that you can get some interesting shots.)

Feb 07, 2011 | Minolta Maxxum 400si 35mm SLR Camera

1 Answer

How to focus my document camera


  1. Power-Cycle your AVerVision Document Camera to reset the focus motor.
  2. If your Camera has Auto focus, Press the auto focus button on your document camera's control panel.
  3. Reset your camera to Default by Pressing MENU > Default > Yes > Enter. Then Power-Cycle your camera.
  4. Check your output device's focus adjustment.
  5. Power-Cycle your AVerVision Document Camera to reset the focus motor.
  6. If Manual Focus adjustment is available on your camera's remote control, try adjusting back to focal point from the remote.
  7. If your camera has a Manual focus knob, manually adjust the focus by turning the focus knob located on the camera head.
  8. If adjusting the focus knob does not focus the image, please click here http://support.averusa.com/kb_article.php?ref=9869-UMJQ-1105 for instructions on how to fix the focus ring.

Feb 02, 2011 | Avermedia AVERVISION 300AF+ PORTABLE...

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PANASONIC MD NV 10000


i do not understand,do you connect all these cables at the same time?If yes is wrong ...Just connect in a well known pc the fire wire cable and power on camcorder.If pc doesn't capture video,THEN look after editing program...

Jul 27, 2009 | Panasonic NV-MD10000 Camcorder

1 Answer

Camera will not focus and on AF it flashes green dot with a 9


the flashing green dot is caused by the camera not able to focus, and is typically from the following:

1. not enough light - if you are in Aperture Priority, try increasing the ISO
2. low contrast subjects - the camera can't find a good point to focus on
3. overlapping near/far objects - again, the camera can't decide which one to focus on
4. Repetitive patterns

You can go into manual focus, or, auto focus on something the same distance away and lock the focus and shoot.

Jun 05, 2009 | Canon EOS Digital Rebel XTI Digital Camera

1 Answer

I have a Nikon D200 camera. It's now 2 years old and I'm having difficulty with the auto focus. The camera focuses but it comes in and out and I have to depress the shutter several times to get it clear....


the auto focus works on the basis of contrast. If you aim your chosen auto focus square at an item that fills that square with only one color or shade of color light a blank wall or a solid blue sky the camera can't focus because it is trying to compare the contrast in order to focus the camera. try to make sure that you choose an item with contrast to aim your auto focus square on like someones eye and part of their cheek so the camera can see somre contrast to evaluate then focus. Obviously you depress your shutter half way to activate the auto focus let the camera do its thing keeping the shutter half way depressed move your field of vision to where you want it then fully depress the shutter to take the picture. the camera relys on seeing some contrast within your autofocus square in order to auto focus

Jan 14, 2009 | Nikon D200 Body Only Digital Camera

2 Answers

Canon G9 digital camera


There are two stages to the shutter release. The first stage is the focus stage pressed half way down and the second stage is the actual shutter release. Always press the shutter half way to get the camera focused first then press all the way down when the camera is ready to take the shot. Check to see how the settings are with regard to how it focuses (9-point, face recognition, etc). When the camera focuses you should get a green box or multiple green boxes depending on your settings. That tells you the camera is ready to take the picture. Pressing the shutter all the way down at once from the beginning will cause the pause you describe since the camera has to first focus then shoot the picture. Depending on the subject or subjects the camera may take a second or two longer to focus. With good lighting my G9 focuses pretty fast. Hope this helped.

Aug 31, 2008 | Canon PowerShot G9 Digital Camera

2 Answers

Can't take picture with monitor off?


When the LCD display is "off" the focus mode is automatically switched to "Single AF" mode (since there is no way for the user to confirm that the proper subject is focused) and unless focus is locked the camera cannot fire. When the camera is in "Continuous AF" Focus mode the camera will take a picture whenever the shutter release button is pressed, wether or not the subject is in focus. You can take a photo with the monitor off, but the camera will have to lock focus before it can fire and will not respond as quickly as with the monitor on.

Aug 30, 2005 | Nikon Coolpix 3200 Digital Camera

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