There is no vignetting and you do not need to go into a special dx mode.
Tokina 10 17mm full frame.
The tokina at x 107 dx nh fisheye 10 17mm f 3 5 4 5 is a full frame compatible version of tokina at x 107 dx 10 17mm f 3 5 4 5 fisheye zoom lens with the original built in hood completely removed.
The edges of the image are completely vignetted at 10 mm but expand to yield an edge to edge full frame image at 15mm.
This is in contrast to a circular fisheye which makes a circular shaped image in which the corners are black.
Tokina usa is part of kenko tokina usa inc.
In a test carried out by amateur photographer in july 2008 this lens was awarded 87.
The tokina 10 17 mm is a full screen fisheye.
Tokina 10 17mm on a full frame dslr full frame shooters usually use a prime fisheye lens like a sigma 15mm or a fisheye with a teleconverter but some full frame shooters do use the tokina 10 17mm with a 1 4x teleconverter to gain the flexibility they had when using a cropped sensor camera.
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.
First there was a version released with a fixed flower shaped sun cap.