Comparison of Canon EF 24-105mm f/4L IS II USM and Tokina 28-80mm f/2.8 AT-X 280 AF PRO

Attribute	Tokina 28-80mm f/2.8 AT-X 280 AF PRO ×	Canon EF 24-105mm f/4L IS II USM ×
Notes	Available AF Mounts: Canon, Minolta, Nikon, Pentax; Included Accessories: Lens Hood, Fitted Soft Case	4-stop image stabilization; dust and moisture resistant
Magnification Ratio (x)	0.2	0.23
Filter Size (mm)	77	77
Length (mm)	120	118
Closest Focus (m)	0.5	0.45
Diagonal Angle of View (degree)	30.30 - 75.30	23.30 - 84.00
Focus Details	Internal with Focus Clutch mechanism	Inner focusing; AF with USM, full-time manual focus
Focal Length (mm)	28.00 - 80.00	24.00 - 105.00
APS Equivalent	1.5x: 42 - 120mm; 1.6x: 44.8 - 128mm	38 - 168mm
Brand	Tokina	Canon
Image Circle	35mm	35mm
Name	Tokina 28-80mm f/2.8 AT-X 280 AF PRO	Canon EF 24-105mm f/4L IS II USM
Weight (g)	819	795
Type	Standard Zoom	Standard Zoom
Aperture (f)	2.80 - 22.00	4.00 - 22.00
Diaphragm Blades	9	10
Diaphragm Blades Type	-	rounded
Lens Construction	16 elements in 12 groups, including 2 aspherical and 1 SD elements	17 elements in 12 groups, including 4 glass-molded (GMo) aspherical elements on 5 surfaces
Zoom System	Rotary	Rotating
Diameter (mm)	84	83.5