Comparison of Nikon 8-15mm f/3.5-4.5E ED AF-S Fisheye Nikkor and Tokina 10-17mm f/3.5-4.5 AT-X 107 AF DX Fisheye

Attribute	Nikon 8-15mm f/3.5-4.5E ED AF-S Fisheye Nikkor ×	Tokina 10-17mm f/3.5-4.5 AT-X 107 AF DX Fisheye ×
Aperture (f)	3.50 - 29.00	4.00 - 22.00
Diaphragm Blades Type	rounded	-
Closest Focus (m)	0.16	0.14
Magnification Ratio (x)	0.34	0.391
Type	Wide Zoom Fisheye	Wide Zoom
Focus Details	Internal with Silent Wave Motor (AF-S); MA/M switch	Internal
APS Equivalent	12 - 22.5mm	1.5x: 15 - 25.5mm; 1.6x: 16 - 27.2mm
Diameter (mm)	77.5	70
Image Circle	Image Circle	APS-C
Focal Length (mm)	8.00 - 15.00	10.00 - 17.00
Brand	Nikon	Tokina
Name	Nikon 8-15mm f/3.5-4.5E ED AF-S Fisheye Nikkor	Tokina 10-17mm f/3.5-4.5 AT-X 107 AF DX Fisheye
Weight (g)	485	350
Diagonal Angle of View (degree)	175.00 - 180.00	100.00 - 180.00
Diaphragm Blades	7	6
Zoom System	Rotary	Rotary
Length (mm)	83	71.1
Notes	-	Built-in Lens Hood; Available AF Mounts: Canon and Nikon Digital Only
Lens Construction	15 elements in 13 groups, including 2 aspherical and 3 ED elements; Flourine Coat; Nano Crystal Coat	10 elements in 8 groups, including one SD glass element