Compare Sigma 20mm F1.4 DG HSM vs Sony FE 28mm F2
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Sony E-mount
Motor
Ring-type ultrasonic
Stepper motor
Optical Formula | Elements
15 elements
9 elements
Optical Formula | Groups
11 groups
8 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
Three aspherical, two ED elements groups
Dimensions
Filter Diameter
49 mm / 1.93 in
Size | Diameter
91 mm / 3.58 in
64 mm / 2.52 in
Size | Length
130 mm / 5.12 in
60 mm / 2.36 in
Weight
950 g / 33.57 oz
200 g / 7.07 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical
Aperture
f/1.4 ~ f/16
f/2 ~ f/22
Autofocus
Yes
Yes
Focal Length
20 mm
28 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.14x
0.13x
Min Focus Distance
300 mm / 11.81 in
290 mm / 11.42 in
Production
Accessory
Lens hood included
Lens Hood: ALC-SH112 (sold separately)
Debut
2015-10-16
2015-03-04
Made In
Japan
Model Name
SEL28F20
Reviews
Neofiliac score
55%
62%
Pros
- High level of resolution
- Bright maximum aperture
- Compact and lightweight
- Good for walking around
- Compatible with a couple of wide-angle converters
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- Lacks weather sealing
- Not the sharpest
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