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.

On my Hasselblad 501 CM, I have never encountered this problem. As expensive as these cameras are, and delicate, I wouldn't chance it. I would contact the Hasselbad company and ask them to fix it for you.

http://www.hasselbladusa.com/service--support/technical-support/contact.aspx

I would try the above link to contact hasselblad's tech support if I were you.

Good luck on this.

I would check the shutter by:

1) open the film door
2) While looking into the camera, press the shutter button.

The shutter should open and then close. If the shutter doesn't open and then close, it could be stuck and my require professional help.

The view finder "going black" on an SLR is caused by the mirror being up, which is also when the camera is actually taking the picture! The mirror sends the light from the lens to either the viewfinder or the sensor. When it's down, the light goes to the viewfinder and you can compose the picture. When you press the shutter release, the mirror comes up, and light goes to the sensor. In a film SLR, there was a shutter just in front of the film that controlled the amount of light that hit the film. In your D80, it's a combination of the mirror and the electronics that set "shutter speed".

What is happening when you get these white pictures is that somehow your settings are holding the mirror open far longer than it should be open. When you turn off the camera, it drops the mirror automatically. If you are in S or M, it's because you've set your shutter speed improperly. If it's doing this in Auto mode, then there may be a problem with the exposure meter or the lens.

If you describe more about when it happens (shutter speed settings, Auto or manual mode) I can probably tell you if it's your settings or the camera/lens.

Check the release button lock tab, it may be engaged, holding the release button in

The only possibilities are that the shutter is not working when the lens is mounted on the body, that the film is being inserted incorrectly with the backing paper facing forwards, or the film processing is completely wrong.

I haven't suggested that the film isn't winding through the camera as I'm assuming that when you remove it the film has all transferred to the previously empty spool. I've also assumed that when you describe the processed film as "blank" that you mean it is completely unexposed (clear) as opposed to completely exposed and washed out (opaque).

1: Put in the dark slide. Does the film back remove? If so, do that.
2: Can you remove the lens?

I am having a similar problem with my eos 100QD.
shutter opens, then stays open until I depress the shutter switch again.
Sometimes about half my photos are lost on a roll, but the other photos are fine (as would be expected from how the film is wound). This problem looks like it's caused by the shutter mechanism failing, a common problem with older camera and one that is often more expensive to repair than it is to replace the body.

jeep111

be sure batteries are good. pull up on the rewind knob to open film door. load film ,push down rewind knob. pull enough film to connect to take-up spool. close film door. advance film to counter # 1. look through finder and set meter ( push shutter button to turn on meter ) focus subject and fire shutter repeat to end of film. push rewind button ( bottom of camera ) rewind film.
remove lens by pushing button and turn lens left to remove.

Can you shoot rear curtain flash modes?

If not, try this:

Advance the camera.
Open up the shutter(set mirror lock-up). You'll have to remove the Winder CW to do this.
Push black Tap up to open up the shutter. Don't worry, lens is still closed.
You'll not see anything from the viewfinder, just black.
Trip the shutter button.
Now, check the images.
What do you get?
Try shooting under one second in low light.
Battery is new and not over 5 years old?

71% related to digital back
24% related to battery
4% related to electronic/mech problems & human errors
1% related to camera's back to digital back

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It's a sign the mechanism needs a cleaning and lube. Temporarily you might try releasing the shutter ( without a lens mounted ) and locking the release button down. Then CAREFULLY from the back, put a little upward pressure on the metal curtain 1/4 inch or so, to twist the curtain slightly on it's shaft. Don't pull to far or you can do permanent damage. You should have a repair shop take care of it.