Olympus M.Zuiko Digital ED 12-40mm F2.8 Pro vs. Canon EF 24-70mm F4L IS USM

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2 lenses compared
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Nov 6, 2012
Sep 10, 2013
Nov 6, 2012
 
Zoom lens
Zoom lens
FourThirds
35mm FF
12–40 mm
24–70 mm
No
Yes
Micro Four Thirds
Canon EF
 
F2.8
F4
F22
F22
 
No
7
9
Circular diaphragm
 
 
14
15
9
12
1 aspherical element, 1 dual-sided aspherical element, 2 ED glass elements, 2 HR glass elements, 1 EDA glass element, 1 HD glass element
 
 
0.20 m (7.87)
0.38 m (14.96)
0.3×
0.7×
Yes
Yes
Stepper motor
Ring-type ultrasonic
Yes
Yes
Internal
Internal
Manual Focus Clutch mechanism
 
Yes
Yes
No
Yes
 
382 g (0.84 lb)
600 g (1.32 lb)
70 mm (2.75)
83 mm (3.27)
84 mm (3.31)
93 mm (3.66)
Yes
Yes
 
Black
Rotary (extending)
Rotary (extending)
 
No
 
Yes
62 mm
77 mm
Does not rotate on focusing
 
Yes
Yes
LH66
EW-83L
 
No
 
Soft Case LP1219