nikon af-d aperture control query

[AshleyC]

Ok ive got a D700 and a couple of nikon af-d lenses, the 50mm and 105mm macro. Both work fine, you stop them down to the smallest aperture and lock them and the camera can then control the aperture. Fine.

Now ive got 2 sigma lenses, that i dont know if are broken or not! they are both 28-200 d one a 3.8-5.6 and the other 3.5-5.6 both with an aperture ring. However stopping them both down and locking them gives me an FEE error on the camera. It cant control the aperture. Now was i just unlucky to get 2 broken lenses or cant the D700 control sigma lens apertures like it can with its own nikon lenses?

 

[Retune]

Is the camera's AI tab undamaged and free to move between 1 o'clock and 11 o'clock, and back to 1 o'clock under spring tension? Is the aperture lever OK and are the electronic contacts clean?:

https://1.img-dpreview.com/files/p/E~forums/59765250/eb4b886a91b74dec99cbdaa293974f8f

How about the corresponding components on the mounts of the affected lenses?

All AF lenses designed for Nikon should have an aperture that the camera can control if they are working properly.

 

[chuckles]

Is the camera's AI tab undamaged and free to move between 1 o'clock and 11 o'clock, and back to 1 o'clock under spring tension?

Can't see this being the problem as the OP says it works OK with the Nikon AF-D lenses

 

[Retune]

I would check the obvious things anyway - all sorts of odd things might happen with particular combinations of cameras and lenses if there's slight damage, wear or misalignment, and it's not just a problem witih a single lens. Can the Sigmas be tested on another body? Also, are they older than the D700, and so might require firmware updates to work with it?

 

[AshleyC]

looking on the sigma website they dont have firmwares for these lenses, too old i guess all the little sliding levers seem to move ok on all the lenses. i think i just got unlucky with them. I dont have another body handy to test them out on.

 

[the black fox]

Are the sigma lenses old film ones ,if yes then the camera will need to be set to manual ,and I doubt any other functions will work either . Older sigma lenses if they were A/F type could be made to work at sigma sometimes by re-chipping but things have advanced to far these days.
Basically the aperture ring gives them away as film era ,so switching to full manual is the way