Comparison of Fujinon XF 14mm ƒ/2.8 R and Tamron 20mm f/2.8 Di III OSD M1:2 (Model F050)

Attribute	Tamron 20mm f/2.8 Di III OSD M1:2 (Model F050) ×	Fujinon XF 14mm ƒ/2.8 R ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	67	58
Notes	Available mounts: Sony E-mount; Moisture-resistant construction; Included Accessories: Flower-shaped hood, lens caps.	For Fujifilm X-mount. (Available November 2012)
Closest Focus (m)	0.11	0.18
Magnification Ratio (x)	0.5	0.12
Diameter (mm)	73	65
Type	Wide Prime	Wide Prime
APS Equivalent	-	21mm
Diaphragm Blades	7	7
Image Circle	Image Circle	APS-C (Fujifilm X-mount)
Focal Length (mm)	20.00	14.00
Brand	Tamron	Fujinon
Name	Tamron 20mm f/2.8 Di III OSD M1:2 (Model F050)	Fujinon XF 14mm ƒ/2.8 R
Weight (g)	220	233
Diaphragm Blades Type	circular	rounded
Lens Construction	10 elements in 9 groups, including 1 GM (Glass Molded) aspherical and 3 LD (Low Dispersion) elements; BBAR coating; Fluorine coating	10 elements in 7 groups, including 2 aspheric and 3 extra low dispersion elements
Diagonal Angle of View (degree)	94.50	89.00
Length (mm)	64	58.4
35mm Equivalent	1.5x: 30mm	-
Focus Details	Internal with OSD (Optimized Silent Drive) motor; Continuous manual focus mechanism	AF plus 'fly-by-wire' MF