Comparison of Canon EF 100-400mm f/4.5-5.6L IS USM and Tamron SP 150-600mm f/5-6.3 Di VC USD G2 (Model A022)

Attribute	Tamron SP 150-600mm f/5-6.3 Di VC USD G2 (Model A022) ×	Canon EF 100-400mm f/4.5-5.6L IS USM ×
Aperture (f)	5.00 - 40.00	4.50 - 40.00
Filter Size (mm)	95	77
Notes	Available mounts: Canon EF-mount, Nikon F-mount, Sony A-mount; VC Optical Image Stabilization (4.5 stops; not supported for Sony)	Image Stabilization
Closest Focus (m)	2.2	1.8
Magnification Ratio (x)	0.25	0.2
Diameter (mm)	108.4	92
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	1.5x: 225 - 900mm; 1.6x: 240 - 960mm	160 - 640mm
Diaphragm Blades	9	8
Image Circle	Image Circle	35mm
Focal Length (mm)	150.00 - 600.00	100.00 - 400.00
Brand	Tamron	Canon
Name	Tamron SP 150-600mm f/5-6.3 Di VC USD G2 (Model A022)	Canon EF 100-400mm f/4.5-5.6L IS USM
Weight (g)	1990	1380
Diagonal Angle of View (degree)	4.10 - 16.40	6.20 - 24.00
Lens Construction	21 elements in 13 groups, including 3 LD (Low Dispersion) elements; eBAND Coating; Fluorine coating on front element	17 elements in 14 groups, including 1 flourite and 1 Super UD element
Zoom System	Rotary	Push-pull
Length (mm)	257.8	189
Diaphragm Blades Type	circular	-
Focus Details	Ultrasonic Silent Drive (USD) with full-time manual focus override	Inner focusing; full-time manual focus and USM