Compare Sigma 20mm F1.4 DG HSM vs Sony 16-35mm F2.8 GM vs Sony 28-60mm F4-5.6
Construction
Aperture Blades
9 blades, Rounded blades
11 blades
7 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
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
Sony E-mount
Material
Magnesium alloy
Composite
Motor
Ring-type ultrasonic
Piezoelectric
Linear Motor
Optical Formula | Elements
15 elements
16 elements
8 elements
Optical Formula | Groups
11 groups
13 groups
7 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
Extreme aspherical & ED elements, Nano AR & fluorine coatings groups
3 aspherical elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
40.5 mm / 1.59 in
Size | Diameter
91 mm / 3.58 in
89 mm / 3.50 in
67 mm / 2.64 in
Size | Length
130 mm / 5.12 in
122 mm / 4.80 in
45 mm / 1.77 in
Weight
950 g / 33.57 oz
680 g / 24.03 oz
167 g / 5.90 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (wide) ~ 39.7° Diagonal | 33.4° Horizontal | 22.6° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/2.8–22 ~ f/2.8–22
f/4–5.6 ~ f/22–32
Autofocus
Yes
Yes
Yes
Focal Length
20 mm
16 mm ~ 35 mm
28 mm ~ 60 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.14x
0.19x
0.16x
Min Focus Distance
300 mm / 11.81 in
280 mm / 11.02 in
300 mm / 11.81 in
Production
Accessory
Lens hood included
Lens Hood: ALC-SH149 (supplied)
Lens hood sold separately
Debut
2015-10-16
2017-05-17
2020-09-15
Made In
Japan
Model Name
SEL1635GM
SEL2860
Reviews
Neofiliac score
55%
71%
71%
Pros
- High level of resolution
- Bright maximum aperture
- Good center sharpness
- Weather-sealed
- Can take front filters
- Compact and lightweight
- Weather-sealed
- Very sharp for what it is
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- External zoom without zoom lock
- Very high sample variation
- Dark and variable maximum aperture
- External zoom without zoom lock
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