Using DX (APS-C format) lenses on a full frame camera result in vignetting.
This is a set of samples for the Nikkor 18-70mm, Sigma 30mm and Sigma 50-150mm lenses
mounted on a full frame camera Nikon D700:

Nikkor 18-70mm @ 18mm, f/7.1

Nikkor 18-70mm @ 18mm, f/7.1 with lens hood HB-32

Nikkor 18-70mm @ 50mm, f/7.1

Nikkor 18-70mm @ 70mm, f/7.1

Sigma 30mm, f/7.1

Sigma 50-150mm @ 50mm, f/8.0

Sigma 50-150mm @ 150mm, f/8.0

cPicture is updated to version 2.0.5 to include a fix for high ISO values from the Nikon D3 and D700 DSLR: