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The lens shutter cannot be opened - Pentax Optio 60 Digital Camera

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It can due to moisture or spring release
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Posted on Jun 18, 2009

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2 Answers

Zenzanon 80


The lens does not have a shutter - that's in the camera body. The lens contains the aperture or f stop adjustment. It is done by injecting or retracting blades in the light stream of the lens barrel between the front and rear optics. Check the aperture blades to see if they move easily and open equally by varying the f-stop ring on the lens while looking through it. If not moving all the blades the same amount or it does not continue to restrict the opening as you increase the f-stop value, there's something wrong with the lens.

Are you sure you haven't accidentally activated any exposure compensation adjustment on the camera body?

Jan 10, 2012 | Bronica 80mm f/2.8 Zenzanon-PS Lens

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

I took a picture in the s mode or any mode messing with the shutter speed and when i go to view the picture i just get a black screen.....i am not sure why this is happening....any thoughts?


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.

Dec 18, 2010 | Nikon D3100 Digital Camera

2 Answers

Cannon powershot610


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, 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.

Dec 28, 2009 | Canon PowerShot A610 Digital Camera

1 Answer

Lens won't open


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, 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.

Dec 07, 2009 | Canon PowerShot S2 IS Digital Camera

1 Answer

Automatic lens cover won't open


Hi,
Do you mean the shutters which protect the lens? If this is the case, are you able to carefully open them by hand? If so, there is a chance that a bit of dirt is preventing the shutters from opening. You might be able to get rid of the dirt by carefully sliding a bit of paper (I find yellow post-it notes perfect for this) in between the shutter and inside of the lens to shift the possible dirt. Also, you can try putting a minute drop of isopropyl alcohol (used in lens cleaning fluid) in between the shutters and the lens assembly so the possible dirt dissolves - then try to carefully open the shutters by hand. I don't recommend using any other alcohol/liquid for that.

Other than that, it's an absolute pain to get to the shutters to fix them properly on TZ3. Basically, the lens would need to be almost completely stripped-guide to do that would be beyond the scope of this site :)

Good luck,
Raf

Jun 08, 2009 | Panasonic Lumix DMC-TZ3 Digital Camera

1 Answer

My son pulled out one of the shutters that opens and closes over the lens. The shutters no longer open all the way. The camera is brand new. How can I fix the rest of the shutters? Should I pull them...


You can pull off the other one if you want. To put it back in your basically going to have to take apart the camera. The "Shutters" on the outside is nothing more but to protect the lens will its in the camera. The actual shutter is inside the lens that open and closes very quickly when you take a picture.

Think of it this way, the shutter in the lens opens up to let in light that shows the image to the sensor behind the lens. Then it closes to "finish" capturing the light".

The "shutters" or "doors" on the outside do not move once you take a picture. They only close once the lens retract. (When the camera is turned off or idles)

Hope this has been helpful.

Mar 30, 2009 | Fuji J150w Digital Camera

1 Answer

Shutter


Do you really mean the shutter? Or do you mean the lens barrier? The lens barrier opens in front of the lens when you go to take a photo.

Assuming it is the lens barrier which is stuck open, the cause is usually dust/grit. A series of "puffs" with a large bulbed blower, e.g.a Giotto, should help clear it.

If it's been caused by liquid ("coke" is a favourite!) then the sugar is holding it open. A little (very little) ethyl alcohol dropped on the lens and allowed to percolate around the barrier area should sort it.

If it is the shutter you mean, then that is a workshop job.

Apr 05, 2008 | Panasonic Lumix DMC-FX8 Digital Camera

1 Answer

Lens cover doesn't open


there is a misalignment in the shutter flaps and must be re-aligned by an experienced tech.

May 27, 2007 | Nikon COOLPIX L3 Digital Camera

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