Comparison of Tokina 12-28mm f/4 AT-X 128 AF PRO DX and Tokina 20-35mm f/2.8 AT-X 235 AF PRO

Attribute	Tokina 12-28mm f/4 AT-X 128 AF PRO DX ×	Tokina 20-35mm f/2.8 AT-X 235 AF PRO ×
Magnification Ratio (x)	0.2	-
Filter Size (mm)	77	77
Focus Details	Internal with One-Touch Focus Clutch mechanism; SD-M (Silent Drive-Module)	Internal with One-Touch Focus Clutch mechanism
Closest Focus (m)	0.25	0.25
Lens Construction	14 elements in 12 groups, including 2 aspherical and 2 SD elements	15 elements in 11 groups, including 2 aspherical elements
Length (mm)	90.2	85.5
Focal Length (mm)	12.00 - 28.00	20.00 - 35.00
Diagonal Angle of View (degree)	54.70 - 99.40	63.20 - 93.60
Brand	Tokina	Tokina
Image Circle	APS-C	35mm
Name	Tokina 12-28mm f/4 AT-X 128 AF PRO DX	Tokina 20-35mm f/2.8 AT-X 235 AF PRO
Weight (g)	530	585
Type	Wide Zoom	Wide Zoom
Notes	Available AF Mounts: Canon and Nikon Digital Only. Built-in AF motor for use with all Nikon DSLRs. Included Accessories: Lens Hood	Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood, Fitted Soft Case
APS Equivalent	1.5x: 18 - 42mm;1.6x: 19.2 - 44.8mm	1.5x: 30 - 52.5mm; 1.6x: 32 - 56mm
Aperture (f)	4.00 - 22.00	2.80 - 22.00
Diaphragm Blades	9	8
Zoom System	Rotary	Rotary
Diameter (mm)	84	84