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The Metabones Speed Booster is a wet dream for nearly any videographer and many photographers.

March 2015
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Scores (no lens corrections)

RAW score

81

Resolution

73

Distortion

82

Vignet

82

Lat. C.A.

88

Scores (WYSIWYG)

JPG score

76

Resolution

Distortion

78

Vignet

60

Lat. C.A.

85

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AF speed

Test camera

Olympus OM-D E-M1

Filter size (mm)

105
  • Camera mount
Micro-43