Comparison of Sigma 30mm f/1.4 EX DC HSM and Tamron 35mm ƒ/1.8 Di VC USD SP (Model F012)

Attribute	Tamron 35mm ƒ/1.8 Di VC USD SP (Model F012) ×	Sigma 30mm f/1.4 EX DC HSM ×
Filter Size (mm)	67	62
Notes	Available mounts: Canon EF, Nikon F, Sony A; VC Optical Image Stabilization (Canon and Nikon only); Included Accessories: Lens hood, lens caps.	Available AF mounts: [HSM version]: Sigma, Canon, Nikon, Four-Thirds; [w/o HSM]: Pentax, Sony
Closest Focus (m)	0.2	0.4
Magnification Ratio (x)	0.4	0.1
Type	Wide Prime	Standard Prime
Focus Details	Internal; USD (Ultrasonic Silent Drive) with continuous manual focus mechanism	Internal focusing system with HSM
APS Equivalent	1.5x: 52.5mm; 1.6x: 56mm	1.5x: 45mm; 1.6x: 48mm
Diameter (mm)	80.4	75.5
Image Circle	Image Circle	Image Circle
Focal Length (mm)	35.00	30.00
Brand	Tamron	Sigma
Name	Tamron 35mm ƒ/1.8 Di VC USD SP (Model F012)	Sigma 30mm f/1.4 EX DC HSM
Weight (g)	480	430
Aperture (f)	1.80 - 16.00	1.40 - 16.00
Diaphragm Blades	9	8
Diagonal Angle of View (degree)	63.40	45.00
Length (mm)	80.8	59
Diaphragm Blades Type	circular	-
Lens Construction	10 elements in 9 groups, including 1 LD (Low Dispersion), 1 XLD (eXtra Low Dispersion) and 2 aspherical elements	7 elements in 7 groups, including a hybrid aspherical lens and two Special Low Dispersion elements