Olympus OM-2 … I’m seeing spots

Ok, so I gotta OM-2 MB. It needs a bit of body cleaning, some checking of electrical functionality and bits littered in the viewfinder.

The OM-2 relies completely on the battery, so having fresh batts is best. One thing that Olympus built in was a mechanism to reset the mirror/shutter if the camera loses power. So if you are looking at the camera and see these red asterisks, you should read the User Guide to know how to use them.

While looking through the giant viewfinder I can see it littered with black spots. Some of them where on the focusing screen. There again, Olympus was great enough to design the OM’s with an interchangeable screen. A little flick of the switch and the screen pops down. Use a blower to clean off stuff … if you have to you can use a soft brush.

One soft spot on the design is that there is some foam sitting on top of the viewfinder window that degrades over time and then drops bits of stuff … well time to open it up.


The film advance lever has a black cap with two holes you can use a spanner wrench on. The black part is just a thin piece of metal that is glued on, so it may pop off. You can them pull off the advance lever.

The rewind knob has a screw under the arm … don’t remove it. Open the camera back and jam the rewind fork, then unscrew the rewind knob. You can put a piece of tape on the exposed top of the fork to keep it from falling down.

The flash socket has a ring screw that you can use your tweezers to unscrew.


Remove the two screws at the bottom of the rewind section.

Spanning tool on the securing ring for the film advance post. Note the washer sitting on top of it.

Pull the top off.


Note the spring on the left side … remember to put it back. There is also a clear plastic washer on the exposure comp dial. The flash post has a black plasic spacer and a metal one underneath it.

You will see that the flash connector has a lot of black foam under it … it probably is brittle and gooey. Remove the two screws, and carefully pull it off (with wires intact). Give it a good cleaning. You will need some replacement cushion material when you put it back.


Two screws are left that hold the viewfinder port on. Now you can take that off and clean it up … note more wires. This will also reveal the back of the prism, which you will also need to clean.

Now put it all back.

When screwing the rewind knob back on, the spring clip can move out of position so make sure it is aligned before you finally tighten it.

When you slip the top back on, you will need to pay attention to wires that have moved out of place. Tuck them back. Also note that the shutter release pin is a bit free moving, so keep an eye on where it is. If everything is sitting right you do not have to put much force on the top plate to make it sit back into position.

OK, the bottom … I didn’t need to go there. I did pop the bottom off and took a look … there are some images of this on the web if you google “OM-2 stuck shutter”, if the reset does not work.

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