Comparison of Panasonic 12-60mm f/2.8-4 ASPH POWER OIS LEICA DG VARIO-ELMARIT (H-ES12060) and Pentax SMC P-DA 16-45mm f/4 ED AL

Attribute	Pentax SMC P-DA 16-45mm f/4 ED AL ×	Panasonic 12-60mm f/2.8-4 ASPH POWER OIS LEICA DG VARIO-ELMARIT (H-ES12060) ×
Filter Size (mm)	67	62
Notes	Included Accessories: Lens Hood	Additional features: POWER O.I.S. Image Stabilization, Splash/dust/freeze-proof design; Included Accessories: lens caps, lens hood, storage bag.
Length (mm)	92	86
Magnification Ratio (x)	0.26	0.3
Diameter (mm)	72	68.4
Closest Focus (m)	0.28	0.2
Focal Length (mm)	16.00 - 45.00	12.00 - 60.00
Diagonal Angle of View (degree)	35.00 - 83.00	20.00 - 84.00
Brand	Pentax	Panasonic
Image Circle	APS-C	Micro Four-Thirds
Name	Pentax SMC P-DA 16-45mm f/4 ED AL	Panasonic 12-60mm f/2.8-4 ASPH POWER OIS LEICA DG VARIO-ELMARIT (H-ES12060)
Weight (g)	365	320
Type	Standard Zoom	Standard Zoom
Aperture (f)	4.00 - 22.00	2.80 - 22.00
Diaphragm Blades	-	9
Diaphragm Blades Type	-	circular
Lens Construction	13 elements in 10 groups, including 2 aspherical and 1 ED elements	14 elements in 12 groups, including 2 ED and 4 aspherical elements; Nano Surface Coating
Zoom System	Rotary	Rotary
Focus Details	Internal with "Quick Shift" AF/MF mechanism	Internal AF with linear motor
APS Equivalent	24 - 67.5mm	-
35mm Equivalent	-	24 - 120mm