Comparison of Fujinon XF 18-55mm ƒ/2.8-4 R LM OIS and Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical IF

Attribute	Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical IF ×	Fujinon XF 18-55mm ƒ/2.8-4 R LM OIS ×
Notes	Available AF mounts: Canon, Konica Minolta, Nikon, Pentax; Includes petal type lens hood.	For Fujifilm X-mount. OIS provides optical image stabilization equivalent to 4 stops.
Magnification Ratio (x)	0.22	0.08
Filter Size (mm)	67	58
Length (mm)	81.7	70.4
Closest Focus (m)	0.27	0.3
Diagonal Angle of View (degree)	31.20 - 78.80	28.40 - 79.10
Focus Details	Internal	AF plus 'fly-by-wire' MF; Linear motor
Focal Length (mm)	17.00 - 50.00	18.00 - 55.00
APS Equivalent	1.5x: 25.5 - 75mm; 1.6x: 27.2 - 80mm	27 - 84mm
Brand	Tamron	Fujinon
Image Circle	Image Circle	APS-C (Fujifilm X-mount)
Name	Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical IF	Fujinon XF 18-55mm ƒ/2.8-4 R LM OIS
Weight (g)	398	330
Type	Standard Zoom	Standard Zoom
Aperture (f)	2.80 - 32.00	2.80 - 22.00
Diaphragm Blades	7	7
Diaphragm Blades Type	-	rounded
Lens Construction	16 elements in 13 groups, including Low Dispersion and Aspherical elements	14 elements in 10 groups, including 3 aspherical lenses and 1 extra low dispersion element
Zoom System	Rotary	Rotary
Diameter (mm)	74	65