Comparison of Canon 14mm f/2.8L II USM and Tamron SP 15-30mm ƒ/2.8 Di VC USD (Model A012)

Attribute	Tamron SP 15-30mm ƒ/2.8 Di VC USD (Model A012) ×	Canon 14mm f/2.8L II USM ×
Notes	VC Image Stabilization; Available AF mounts: Canon EF, Nikon F, Sony A. Integrated petal type lens hood.	Built-in Lens Hood
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Closest Focus (m)	0.28	0.2
Magnification Ratio (x)	0.2	0.15
Type	Wide Zoom	Wide Prime
Focus Details	Ultrasonic Silent Drive USD motor with full-time MF mechanism	Internal focus; USM with full-time manual override
APS Equivalent	1.5x: 22.5 - 45mm; 1.6x: 24 - 48mm	22.4mm
Diaphragm Blades Type	circular	-
Image Circle	Image Circle	35mm
Focal Length (mm)	15.00 - 30.00	14.00
Brand	Tamron	Canon
Name	Tamron SP 15-30mm ƒ/2.8 Di VC USD (Model A012)	Canon 14mm f/2.8L II USM
Weight (g)	1100	645
Diagonal Angle of View (degree)	71.60 - 110.50	114.00
Diaphragm Blades	9	6
Diameter (mm)	98.4	80
Length (mm)	145	94
Zoom System	Rotating	-
Lens Construction	18 elements in 13 groups, including XGM (eXpanded Glass Molded) aspherical and several LD elements; BBAR (Broad-Band Anti-Reflection) coating	14 elements in 11 groups, including aspherical and UD elements