Question about Canon PowerShot A520 Digital Camera

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The shutter in front of lens does not automatically open, unless I flick it with my nail.

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  • 922 Answers

The motor that opens the door is not very powerful.
Dirt or stickly residue can easily stop it from opening.
If it is not a major build-up you should be able to use a can of compressed air and blow it out or a damp (not wet) cloth to wipe it off.

If the problem is deeper in the camera then you will have to have it professionally serviced. You should be able to find a service center by calling Canon at 1-800-OK-CANON.

If this helps please vote for my solution.

Posted on Sep 10, 2009

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Posted on Jan 02, 2017

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2 Answers

Bought cheap extention tubes, now camera wont recognize the lens. How do I use them


Set the exposure mode to "M" (Manual). You'll have to set both the aperture and shutter speed yourself.

You'll also get no exposure assistance from the camera's light meter. You can review the picture after taking one and/or use the histogram to tune the exposure.

Sep 30, 2013 | Nikon D5000 Digital Camera

1 Answer

Shutters on the lens won't fully open


Stuck automatic lens covers are fairly. But usually it's very easy to fix, without even opening the camera. See this link for troubleshooting steps for this problem.

Dec 14, 2012 | Kodak EasyShare C633 Digital Camera

1 Answer

I have a hasselblad 503cx. when i hit the shutter button, the back part of the lens opens (where the film is) but the lens shutter is closed. when i let go, the lens opens and the back closes.


The proper order of exposure should be:

Curtain opens/Lense stops down (unless wide open)
Lense shutter closes
When releasing button, curtain closes
When winding, lense shutter opens

If this isn't what's happening, something is wrong. There is only a simple mechanical screw connection between body and lense, so it'd have to be an issue with the gears in the body.

May 21, 2011 | Hasselblad 503CX Medium Format Camera

1 Answer

Shutter isn't opening in the lens....


The SHUTTER IS NOT IN THE LENS. I\The shutter is in the camera body in front of the ccd or cmos sensor. You are talking aboput the aperture blades. Try changing the aperture, of course, unless you have a depth of field preview, you will not see the diaphragm open.close.

Jan 29, 2011 | Tamron 70-300mm f/4-5.6 Di Zoom Lens for...

1 Answer

Canon PowerShot SD1300 IS ~ when taking picture all I see is a black screen and when I go to review pic is black. please assist


A stuck shutter is another common failure mode for digital cameras. The symptoms of a stuck or "sticky" shutter are very similar to CCD image sensor failure. The camera may take black pictures (for shutter stuck closed), or the pictures may be very bright and overexposed, sometimes with lines, especially when taken outdoors (for shutter stuck open). To confirm a stuck shutter, put the camera in any mode other than "Auto", and turn the flash OFF (you don't want to blind yourself for the next step). Next look down the lens and take a picture. You should see a tiny flicker in the center of the lens as the shutter opens and closes. If no movement is seen, then you likely have a stuck shutter. If so, please see this link for further info and a simple fix that may help. Recommend the fingertip flicking technique listed in the article/

Dec 11, 2010 | Canon PowerShot SD1000 Digital Camera

1 Answer

Shutter stuck half open


This sounds like the mechanism has worn. It is a straight forward service centre procedure, I wouldn't recommend trying to do anything that will make it worse. Leave it to Nikons engineers.

Mar 11, 2009 | Nikon D40 Digital Camera with G-II 18-55mm...

9 Answers

Lens cover stuck open


I recently had the lens cover stick partly open.  There are 4 segments to the lens cover, and if we number them from the top, number 2 was not closing.
I gently flicked the segments a few times, in case there was a grain of dirt causing it to stick (although the camera has never been in a dirty or dusty environment).  This caused the lens cover to close fully each time, but now it would not open fully, segment 1 would not open, although it would stay open if moved by finger.
Anyway, after a bit of fiddling, I got it working properly again.  The way that the lens cover appears to work is that only segments 2 and 3 are pushed open or shut by springs, segments 1 and 4 are pushed open and shut by tiny tabs that catch on segments 2 and 3.  If the segments somehow get pushed out of alignment, then they either bind (causing the cover not to shut), or they get disconnected (causing the cover not to open fully.
Now I am not sure exactly what I did to get the mechanism form the stuck open state to the not opening state, but from there the way to fix it is to:
-With the lens open...
- Hold segment 2 in the closed position with firm finger pressure (which will tend to push it towards the lens).
- Push segment 1 towards the open position until you can see that it has cleared the edge of segment 2.
- Lift segment 2 way from the lens so that it will rub past segment 1 as you...
- Move segment 1 to the open position.
- Repeat if necessary to get the technique right.

I can't provide any guarantees, and I am not about to repeat the excercise on my camera, but it was a lot easier than sending it off for repair.

Dec 12, 2007 | Panasonic Lumix DMC-TZ3 Digital Camera

2 Answers

Shutter stuck, Won't reopen


start it, flick the lens really hard - restart it.. without opperating on it that is the only fix... you could sell it to mee too

Nov 28, 2007 | Canon PowerShot A540 Digital Camera

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