Comparison of Fujinon XF 18-135mm ƒ/3.5-5.6 R LM OIS WR and Pentax 28-105mm f/3.5-5.6 ED D FA HD DC WR

Attribute	Fujinon XF 18-135mm ƒ/3.5-5.6 R LM OIS WR ×	Pentax 28-105mm f/3.5-5.6 ED D FA HD DC WR ×
Aperture (f)	3.50 - 22.00	3.50 - 38.00
Filter Size (mm)	67	62
Notes	For Fujifilm X-mount. OIS provides optical image stabilization equivalent to 5 stops. Weather resistant.	WR (Weather Resistant); Included Accessories: Lens Hood PH-RBC62, Lens Cap O-LC62, Lens Mount Cap K.
Closest Focus (m)	0.45	0.5
Magnification Ratio (x)	0.27	0.22
Zoom System	Rotary	Rotary
Type	Standard Zoom	Standard Zoom
APS Equivalent	27 - 206mm	43 - 161mm
Diaphragm Blades	7	9
Image Circle	APS-C (Fujifilm X-mount)	35mm
Focal Length (mm)	18.00 - 135.00	28.00 - 105.00
Brand	Fujinon	Pentax
Name	Fujinon XF 18-135mm ƒ/3.5-5.6 R LM OIS WR	Pentax 28-105mm f/3.5-5.6 ED D FA HD DC WR
Weight (g)	490	463
Diaphragm Blades Type	rounded	rounded
Lens Construction	16 elements in 12 groups, including 4 aspherical elements and 2 anomalous dispersion lenses	15 elements in 11 groups, including 1 ED (Extra-low Dispersion) element, 1 anomalous-dispersion glass element and 2 aspherical elements; HD coating
Diagonal Angle of View (degree)	12.00 - 76.50	23.50 - 75.00
Length (mm)	97.8	86.5
Diameter (mm)	75.7	73
Focus Details	AF plus 'fly-by-wire' MF; Linear motor	DC Motor; Internal with "Quick Shift" AF/MF mechanism