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As far as price, build and image quality are concerned, the Panasonic 42.5 mm f/1.7 lands between the Olympus 45 mm f/1.8 and the Panasonic 42.5 mm f/1.2.

April 2015
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Scores (no lens corrections)

RAW score

79

Resolution

75

Distortion

61

Vignet

93

Lat. C.A.

88

Scores (WYSIWYG)

JPG score

81

Resolution

Distortion

95

Vignet

87

Lat. C.A.

89

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AF speed

Test camera

Olympus OM-D E-M1

Filter size (mm)

37
  • Camera mount
Micro-43