View Full Version : Fading to black exposures – Please help.
aaronmacdonald
03-08-2010, 05:02 PM
I've been shooting with an Olympus OM-1 for a couple months now. I love the camera to death, but it has one problem. Occasionally, and I think only when shooting outdoors, only the left half a frame will be exposed and will fade to black on the right.
Here is a photo to demonstrate what's going on:
http://img717.imageshack.us/img717/9326/photo185.png
If anyone has any ideas about why this is happening, please let me know. I wouldn't want this to stop me from using this camera.
- Aaron
ic-racer
03-08-2010, 05:04 PM
Odd...is there like a piece of torn film under the mirror or something?
Photo Engineer
03-08-2010, 05:08 PM
If the shutter moves horizontally, then it is a shutter problem.
PE
Bruce Osgood
03-08-2010, 05:08 PM
Firstly, welcome to APUG.
As far as your problem, could it be a camera strap dangling or a gloved finger?
kraker
03-08-2010, 05:15 PM
If the shutter moves horizontally, then it is a shutter problem.
PE
That's also my first thought. I've seen similar frames, indeed only occassionally (and vertically, because the shutter on my EOS 650 moves vertically) exactly due to that problem.
"Only when shooting outdoors" is another hint in that direction; I would translate that to "only for faster shutter speeds".
Edit: Googling reveals that the OM-1 has a horizontal shutter indeed. Yet another indication that the shutter is the culprit.
Anscojohn
03-08-2010, 05:51 PM
Only for faster shutter speeds and only in cold weather?
njkphoto
03-08-2010, 06:35 PM
One of my students had the same problem. Have of the frame was exposed. We looked at the shutter of her 35mm and it wasn't opening all the way. I will start looking at that first.
Karl K
03-08-2010, 06:44 PM
The second curtain is closing too quickly and accelerating, causing the frame to be progressively underexposed as the curtain moves horizontally across. At slower speeds it might not be as noticible, but outdoors, in bright sunlight, where faster speeds are often necessary, it will rear its ugly head. There is no quick fix that I know of. All the speeds will need adjustment.
Mike1234
03-08-2010, 07:08 PM
It looks to me like the leading shutter curtain is quickly slowing to a halt at exposure time. Perhaps a bent metal guide edge? Is the effect precisely the same at all speeds?
Sirius Glass
03-08-2010, 07:26 PM
It is a shutter problem. Your camera is telling you to have it CLAed ASAP ... SG
Denis R
03-08-2010, 08:28 PM
with the title, I thought you were discussing fade to black polaroid
http://shop.the-impossible-project.com/productpix/659_01.jpg
http://shop.the-impossible-project.com/shop/film/sx70/fi_sx70_1_1009_fade
Ektagraphic
03-08-2010, 08:40 PM
I thought it would be Polaroid too :)....Send if for a CLA and a repair man can let you know what exactly is going on.
Tom Nutter
03-08-2010, 09:16 PM
Yes, a CLA is necessary.. I had a Nikon F3 with this problem years ago---was a dirty shutter magnet or something like that. The problem occurred after the camera had set idle for a couple of years.
IloveTLRs
03-08-2010, 10:17 PM
I also vote for a shutter problem. I touched the speed dial on my IIIf while it took a picture and the result was almost identical.
markbarendt
03-09-2010, 06:20 AM
I was talking with an old retired pro-photographer a while back. He was showing off a new (old) camera, he was having the similar issue.
It was his finger.
The lens was shorter than what he was used to and allowed his index and middle fingers to get in front and vignette the shot.
aaronmacdonald
03-09-2010, 09:18 AM
Yes, it's a horizontal shutter. And it would make sense that it would become noticeable when I'm shooting outside, in the cold, at faster shutter speeds. Hopefully I can continue to shoot with this camera and avoid using faster shutter speeds, because I doubt I could afford to get this fixed, but I like it so much.
Thank you all.
Paul Goutiere
03-09-2010, 09:47 AM
Yes, it's a horizontal shutter. And it would make sense that it would become noticeable when I'm shooting outside, in the cold, at faster shutter speeds. Hopefully I can continue to shoot with this camera and avoid using faster shutter speeds, because I doubt I could afford to get this fixed, but I like it so much.
Thank you all.
This is a relatively common issue called "capping". This is where the first shutter curtain becomes slow enough that the second curtain overtakes it. Cleaning and lubricating the camera is the best idea, but there is another way that may work;
Without film of course, cycle the camera many times, by cocking the shutter and firing it through all the speeds. Maybe 100 to 200 times. This may loosen up the old lubricant and the shutter may function once again....for a while.
Best to have a CLA.
loman
03-09-2010, 10:23 AM
Send the camera to Michael Spencer. He does exellent CLA's on olympus cameras and it cost no more than 50 pounds.
Regards
Mads
Eric Rose
03-10-2010, 10:19 AM
your camera is attempting to capture an image of the APUG parallel universe. if you put the negative in a viewer backwards and drink 4 or 5 shots of tequila you will begin to see the image. make sure you are sitting down because what you see might shock you.
John Koehrer
03-10-2010, 05:27 PM
It looks to me like the leading shutter curtain is quickly slowing to a halt at exposure time. Perhaps a bent metal guide edge? Is the effect precisely the same at all speeds?
Most likely the springs in the curtain rollers need to be adjusted. This is done as part of a CLA.