There is no vignetting and you do not need to go into a special dx mode.
Tokina 10 17 fisheye full frame.
Sigma tokina fisheye lens on a full frame camera as you can see the tokina 10 17mm fisheye and sigma 15mm fisheye lens produce identical images on a full frame camera like the nikon d800 when the tokina is set to 15mm.
It provides a circular style image at 10mm with dramatic fish eye effect on full frame dslr cameras.
Tokina lens f 3 5 4 5 at x 107 dx fish eye canon fit the tokina 10 17 mm fish eye zoom gives the photographer a 180 degree field of view with dramatic curvature of field.
The tokina 10 17 mm is a unique fisheye zoom lens made for aps c cameras but which can also be used well on full frame.
The lens is compactly built and offers fast auto focus.
Vignetting is remarkably low just as is sensitivity to backlighting.
Tokina 10 17mm on a full frame dslr.