Comparison of Fujinon XF 18-135mm ƒ/3.5-5.6 R LM OIS WR and Sigma 24-135mm f/2.8-4.5 Aspherical IF

Attribute	Sigma 24-135mm f/2.8-4.5 Aspherical IF ×	Fujinon XF 18-135mm ƒ/3.5-5.6 R LM OIS WR ×
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax	For Fujifilm X-mount. OIS provides optical image stabilization equivalent to 5 stops. Weather resistant.
Magnification Ratio (x)	0.22	0.27
Filter Size (mm)	77	67
Length (mm)	90.9	97.8
Closest Focus (m)	0.5	0.45
Diagonal Angle of View (degree)	18.20 - 84.10	12.00 - 76.50
Focus Details	Internal	AF plus 'fly-by-wire' MF; Linear motor
Focal Length (mm)	24.00 - 135.00	18.00 - 135.00
APS Equivalent	1.5x: 36 - 202.5mm; 1.6x: 38.4 - 216mm	27 - 206mm
Brand	Sigma	Fujinon
Image Circle	35mm	APS-C (Fujifilm X-mount)
Name	Sigma 24-135mm f/2.8-4.5 Aspherical IF	Fujinon XF 18-135mm ƒ/3.5-5.6 R LM OIS WR
Weight (g)	530	490
Type	Standard Zoom	Standard Zoom
Aperture (f)	2.80 - 32.00	3.50 - 22.00
Diaphragm Blades	9	7
Diaphragm Blades Type	-	rounded
Lens Construction	16 elements in 15 groups, including 2 aspherical and 1 SLD elements	16 elements in 12 groups, including 4 aspherical elements and 2 anomalous dispersion lenses
Zoom System	Rotary	Rotary
Diameter (mm)	83.6	75.7