F-- error on Nikon D50

Joined
Jun 18, 2006
Messages
603
Location
Chiefland/Cedar Key, Fla
Only with this lens. AF Nikkor 28-200mm F3.5-5.6 G

I know according to manual that this has something to do lens that doesn't have a CPU chip built in or the lens is not correctly mounted or the connection between lens and camera are not being properly made.

It only happens sportatically. I can turn the camera off and back on and it goes away. My other two Nikon lens do not give me this error.
This lens was bought separately from Camera and was the lens I have owned the longest.

Any help, tips or opinions. I can see nothing wrong with the contacts.
 
Joined
Jun 18, 2006
Messages
603
Location
Chiefland/Cedar Key, Fla
is the lens set to its minimum aperture and locked? (ie f/22)

Now my Sigma 70-300 APO has that capability but as far as I can see, the Nikon lens does not.
The Sigma lens has not given me an F-- error. Neither my AF-S Nikkor18-70 G ED

and I am sorry the 18-70 was the first lens bought for the D50, the Sigma the last.
 
Joined
Jan 24, 2007
Messages
1,135
Location
Kelowna B.C. Canada
I had the exact same problem happen to me with a Tokina 28-70 F2.8 (orange ring) Turned out its partly the D50's fault.

Once i hooked up the same lens to a D70s everything worked fine all the time.
Since its a nikon lens though you might be able to get them to fix it for free, But tokina wanted 125$ to rechip the lens (and i'm not even sure that would fix it) It certainly wasn't the contacts. So if you can find someone with a d70 to test it, and then you will know it has to do with the camera, rather than the lens (though rechipping would probably fix it)
 
Joined
May 1, 2005
Messages
221
Location
East Lansing, MI
You can use alcohol on a qtip or an easier solution is just a rubber eraser (be careful not to press to hard to create eraser fragments).

Another thing that could be wrong is the aperature lever arm could be bent, and not engaging the lens.
 
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