Curious. What's in the manual is what I was going to tell you. You pull the lens straight out a bit (less than 1/4") and twist. The lens should easily pull out unless the O-ring is in such bad condition it's frozen. Maybe take a hair dryer to the lens mount to loosen things up.
One has to first push the lens towards the camera before turning. I have to look on my other computer for an address of a Nikonos repair man in Los Angeles.
In English, people doing mechanical work often use the term "frozen," or perhaps "seized up" to refer to a screw or bolt, or perhaps a mechanical joint, that can't be moved by the normal means. Typically corrosion or lack of lubrication is the main culprit.Frozen? It's been kept at room temperature since I bought it when it was sitting in the sun.
If you look down at the top of the lens, you can see a little silver pin that engages with the black body
I am only pulling the silver part of the lens, but rocking, pulling, shaking, twisting, wobbling, nothing works to clear the pins out of their notch
I just tried placing the camera lens down in a small container with hot water and soap for 20 minutes, making sure to cover the junction between lens and body, and nothing changed. I'll have to try other methods...
I assumed that “making sure to cover” meant “covered by the warm water”…
No. You PULL the lens away from the body then twist. To the OP, if you can’t pull on the lens then it could be frozen in place by saltwater corrosion or something…
Hi, I'm not sure if you're getting the point. You say you COVERED the junction (between lens and body). Am I correct in assuming that you are preventing the "lubricant" (water) from getting in there? That is exactly where you DO want the water to go... that is the path for water to reach the O-ring.
Here's a listing from keh... some of the photos show the O-ring in question (it's black, on the part of the lens that goes into the camera body). https://www.keh.com/shop/nikon-35mm...lens-for-nikonos-series-58-699065.html#view-5
My guess is that this O-ring is so tight (and "dry") in the bore (in the actual camera body) that it doesn't want to move. Thus the suggestion to get water to the O-ring, hoping that it can then be rocked loose.
FWIW I'm not so sure I would submerge the camera at this point. IF internal seals are compromised there is the possibility of flooding the inside of the camera. I personally have NO IDEA how risky this might be, if at all.
Best of luck with it.
On a Nikonos I, II, or III, you can't open the back. You can only remove the top and inner from the body shell after removing the lens.
Check if the shutter fires (IIRC you can wind and fire without film loaded). I would guess that if the shutter fires, the body isn't totally full of corrosion and it's mostly a grotty O-ring holding the lens to the body.
Shutter does not fire. I would assume something is physically preventing the lens from being taken out, i.e. a broken piece of metal but I have never seen the "insides" of this camera so I can't really use my imagination for that. Do you have a photo of the back of the lens and the area of the body where it fits? I would love to try to understand what is possibly jammed in there, I'm starting to believe it is not simply rust or corrosion
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