Comparison of Canon EF 70-200mm f/4L IS USM and Panasonic 50-200mm f/2.8-4 ASPH Power OIS Leica DG Vario-Elmarit (H-ES50200)

Attribute	Canon EF 70-200mm f/4L IS USM ×	Panasonic 50-200mm f/2.8-4 ASPH Power OIS Leica DG Vario-Elmarit (H-ES50200) ×
Filter Size (mm)	67	67
Notes	Image Stabilization	Additional features: Power O.I.S. Image Stabilization compatible with Dual I.S. and Dual I.S. 2; Splashproof / Dustproof / Freezeproof
Closest Focus (m)	1.2	0.75
Magnification Ratio (x)	0.21	0.25
Diaphragm Blades Type	-	circular
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	112 - 320mm	-
Zoom System	Rotary	Rotary
Image Circle	35mm	Micro Four-Thirds
Focal Length (mm)	70.00 - 200.00	50.00 - 200.00
Brand	Canon	Panasonic
Name	Canon EF 70-200mm f/4L IS USM	Panasonic 50-200mm f/2.8-4 ASPH Power OIS Leica DG Vario-Elmarit (H-ES50200)
Weight (g)	760	655
Aperture (f)	4.00 - 32.00	2.80 - 22.00
Diaphragm Blades	8	9
Diagonal Angle of View (degree)	12.00 - 34.00	6.20 - 24.00
Lens Construction	20 elements in 15 groups, including 1 flourite element and 2 UD elements	21 elements in 15 groups, including 1 UHR, 2 UED, 2 ED and 2 aspherical elements; Nano Surface Coating
Diameter (mm)	76	76
Length (mm)	172	132
35mm Equivalent	-	100 - 400mm
Focus Details	Internal; Ultrasonic Motor (USM) with full-time manual focus	Internal focus with up to 240fps sensor drive