Compare Sigma 24-70mm F2.8 DG OS HSM vs Sigma 20mm F1.4 DG HSM vs Zeiss Batis 18mm F2.8
Construction
Aperture Blades
9 blades
9 blades, Rounded blades
Colors
Black
Black
Black
Form Factor
Standard Zoom Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale
Distance scale, DoF scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Sony E-mount
Material
Metal
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Linear Motor
Optical Formula | Elements
19 elements
15 elements
11 elements
Optical Formula | Groups
14 groups
11 groups
10 groups
Optical Formula | Special Glass
Three HLD and four aspherical elements groups
Two FLD, five SLD elements + Super Multi-Layer coating groups
4 aspherical, 7 'special glass' elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
77 mm / 3.03 in
Size | Diameter
88 mm / 3.46 in
91 mm / 3.58 in
78 mm / 3.07 in
Size | Length
108 mm / 4.25 in
130 mm / 5.12 in
80 mm / 3.15 in
Weight
950 g / 33.57 oz
330 g / 11.66 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/2.8 ~ f/22
f/1.4 ~ f/16
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
24 mm ~ 70 mm
20 mm
18 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
No
No
Weather Resistance
Yes
No
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.21x
0.14x
0.11
Min Focus Distance
370 mm / 14.57 in
300 mm / 11.81 in
250 mm / 9.84 in
Production
Accessory
Lens Hood: LH876-04 (supplied)
Lens hood included
Lens hood included
Debut
2017-02-21
2015-10-16
2016-04-14
Made In
Japan
Japan
Reviews
Neofiliac score
83%
55%
86%
Pros
- Optically stabilized
- Weather-sealed
- Solid build quality
- High level of resolution
- Bright maximum aperture
- Weather-sealed
- OLED display
- Quite lightweight for its focal length
Cons
- External zoom without zoom lock
- Not the best Art lens
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
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