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Panasonic 100-300 mm surprises with high optical performance across nearly the entire zoom range. Above 250 mm (500 mm @ full-frame), the performance quickly deteriorates. But set to 100 mm, this lens can compete with the very best.

January 2012
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Scores (no lens corrections)

RAW score

73

Resolution

68

Distortion

91

Vignet

95

Lat. C.A.

87

Scores (WYSIWYG)

JPG score

71

Resolution

Distortion

86

Vignet

88

Lat. C.A.

87

More

AF speed

80

Test camera

Panasonic G3 & GH5

Filter size (mm)

67
  • Camera mount
Micro-43