Description
Focal length and maximum aperture: 50 mm 1:1.4
Lens construction: seven elements in six groups
Focus adjustment: Overall linear extension system with USM
Closest focusing distance: 0.45 m / 1.5 ft
Filter size: 58 mm, Number of diaphragm blades: 8
Closest focusing distance: 0.45 m/1.5 ft
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