Weird interferance on D3100

[velocemitch]

A mate of mine has just bought a very nice 50mm Prime lens for portrait work on a D3100. It has thrown up a very strange problem, when using the live view function the LCD screen is displaying interferance in the form of horizontal black bars moving up the screen. It doesn't appear to affect still images, but it does show up badly with movies even when they are viewed on a PC, so it must be actually happening at sensor level.

The lens is the Nikkor 50mm 1.4 G AF-S, no other lens is causing this.

Any ideas???

[Pickled]

Have you tried a firmware update?

[velocemitch]

Nope will suggest that to him.

[K12beano]

No idea on the specific problem.

But general rule of thumb for any body/lens interface issues (even if one or both are BNIB) is to carefully clean the contacts and then "De-Oxit" them.

[Simpo Two]

Were you filming whilst falling down a liftshaft?

[DannyScene]

I have a D3100 as well

Give me the lens, then you won't have any issues, sorted