Sigma
Sigma 28mm F1.8 EX DG ASP Macro
Camera Lens
0100
79
✦
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General Info
Lens type
prime, macro, wide angle
Lens mount
sony a
Is weather-sealed (splashproof)
✖ No
Has a metal mount
✔ Yes
Weight
480 g
Front element doesn't rotate
✔ Yes
Optics
Maximum focal length
28 mm
Minimum focal length
28 mm
Has built-in optical image stabilization
✖ No
Maximum angle of view
75.4 °
Minimum angle of view
75.4 °
Magnification
0.34 x
Aperture
Wide aperture (main camera)
1.8 f
Widest aperture at maximum focal length
1.8 f
Aperture blades
9
Has rounded aperture blades
✖ No
Smallest aperture at maximum focal length
22 f
Smallest aperture at minimum focal length
22 f
Focus
Can focus to infinity
✔ Yes
Has focus motor
✔ Yes
Has full-time manual focus
✔ Yes
Has a silent focus motor built into the lens
✖ No
Minimum focus distance
0.2 m
Benchmarks
Sharpness result
10 P-MPix
Chromatic aberration
5 µm
DxOMark score
19
Distortion
0.3%
Transmission
2 TStop
Vignetting
-0.9