Comparison of Canon EF 35mmm ƒ/1.4L II USM and Tamron 35mm f/1.4 Di USD SP (Model F045)

Attribute	Tamron 35mm f/1.4 Di USD SP (Model F045) ×	Canon EF 35mmm ƒ/1.4L II USM ×
Aperture (f)	1.40 - 16.00	1.40 - 22.00
Filter Size (mm)	72	72
Notes	Moisture-resistant construction; Available mounts: Canon EF, Nikon F; Included Accessories: Flower-shaped hood, caps, pouch.	Dust and water resistant; Included Accessories: EW-77B lens hood, LP1219 lens pouch, lens caps.
Closest Focus (m)	0.3	0.28
Magnification Ratio (x)	0.2	0.21
Diameter (mm)	80.9	80.4
Type	Wide Prime	Wide Prime
APS Equivalent	-	56mm
Diaphragm Blades	9	9
Image Circle	Image Circle	35mm
Focal Length (mm)	35.00	35.00
Brand	Tamron	Canon
Name	Tamron 35mm f/1.4 Di USD SP (Model F045)	Canon EF 35mmm ƒ/1.4L II USM
Weight (g)	815	760
Diaphragm Blades Type	circular	circular
Lens Construction	14 elements in 10 groups, including 4 LD (Low Dispersion) and 3 GM (Glass Molded) aspherical elements; BBAR-G2 coating; Fluorine coating	14 elements in 11 groups, including 1 BR (Blue spectrum Refractive), 1 UD and 2 aspherical elements; Sub-Wavelength Structure Coating (SWC)
Diagonal Angle of View (degree)	63.40	63.00
Length (mm)	104.8	105.5
35mm Equivalent	1.5x: 52.5mm; 1.6x: 56mm	-
Focus Details	Internal with USD (Ultrasonic Silent Drive); Continuous manual focus mechanism	Rear focusing; full-time manual focus and USM