Comparison of Canon TS-E 17mm f/4L and Tamron SP AF 14mm f/2.8 Aspherical IF

Attribute	Canon TS-E 17mm f/4L ×	Tamron SP AF 14mm f/2.8 Aspherical IF ×
Weight (g)	820	661
Type	Wide Prime Tilt-Shift	Wide Prime
Brand	Canon	Tamron
Name	Canon TS-E 17mm f/4L	Tamron SP AF 14mm f/2.8 Aspherical IF
Focal Length (mm)	17.00	14.00
Image Circle	35mm	35mm
Lens Construction	18 elements in 12 groups	14 elements in 12 groups, including 2 hybrid aspherical elements
Diameter (mm)	88.9	87
Closest Focus (m)	0.25	0.2
Focus Details	Manual focus	Internal
Magnification Ratio (x)	0.14	0.15
Aperture (f)	4.00 - 22.00	2.80 - 22.00
Diagonal Angle of View (degree)	104.00	113.80
Notes	-	Available AF Mounts: Canon, Minolta, Nikon, Pentax; Included Accessories: Lens Hood, Case
APS Equivalent	27mm	1.5x: 21mm; 1.6x: 22.4mm
Diaphragm Blades	-	5
Length (mm)	106.7	89