Comparison of Panasonic 14-50mm f/3.8-5.6 ASPH Leica D VARIO-ELMAR and Pentax 17-70mm ƒ/4 AL IF SDM SMC DA

Attribute	Panasonic 14-50mm f/3.8-5.6 ASPH Leica D VARIO-ELMAR ×	Pentax 17-70mm ƒ/4 AL IF SDM SMC DA ×
Diagonal Angle of View (degree)	24.00 - 75.00	23.00 - 79.00
Notes	Additional features: Mega O.I.S. Image Stabilization; Included Accessories: Lens Hood, Lens Caps, Storage Bag	Included Accessories: Lens Hood
Aperture (f)	3.80 - 22.00	4.00 - 22.00
Magnification Ratio (x)	0.42	0.31
Filter Size (mm)	67	67
35mm Equivalent	28 - 100mm	-
Type	Standard Zoom	Standard Zoom
Diaphragm Blades	7	7
Lens Construction	15 elements in 11 groups, including 2 aspherical and 2 ED elements	17 elements in 12 groups
Image Circle	Four-Thirds	APS-C
Focal Length (mm)	14.00 - 50.00	17.00 - 70.00
Brand	Panasonic	Pentax
Name	Panasonic 14-50mm f/3.8-5.6 ASPH Leica D VARIO-ELMAR	Pentax 17-70mm ƒ/4 AL IF SDM SMC DA
Weight (g)	434	485
Zoom System	Rotary	Rotary
Focus Details	Internal	Internal; SDM with Quick-shift Focus System
Diameter (mm)	75	75
Length (mm)	93.3	93.5
APS Equivalent	-	25.5 - 105mm
Closest Focus (m)	0.29	0.28