Compare Sigma 20mm F1.4 DG HSM vs Sony FE 16-35mm F4 ZA vs Sony 24-70mm F2.8 ZA SSM II
Construction
Aperture Blades
9 blades, Rounded blades
7 blades
9 blades, Circular aperture
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
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Sony E-mount
Sony A-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
15 elements
12 elements
17 elements
Optical Formula | Groups
11 groups
10 groups
13 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
5 Aspherical3 ED Glass groups
2 ED, 2 aspherical elements plus T* coating groups
Dimensions
Filter Diameter
72 mm / 2.83 in
77 mm / 3.03 in
Size | Diameter
91 mm / 3.58 in
78 mm / 3.07 in
83 mm / 3.27 in
Size | Length
130 mm / 5.12 in
99 mm / 3.90 in
111 mm / 4.37 in
Weight
950 g / 33.57 oz
518 g / 18.30 oz
974 g / 34.42 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)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/4 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
20 mm
16 mm ~ 35 mm
24 mm ~ 70 mm
Focus Type
Internal
Extending front
Internal
Image Stabilization
No
Yes
No
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.14x
0.19x
0.25x
Min Focus Distance
300 mm / 11.81 in
280 mm / 11.02 in
340 mm / 13.39 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: ALC-SH101 (supplied)
Debut
2015-10-16
2014-09-15
2015-04-23
Made In
Japan
Model Name
SEL1635Z
SAL-2470Z2
Reviews
Neofiliac score
55%
71%
62%
Pros
- High level of resolution
- Bright maximum aperture
- Sharp towards the wider end
- Weather-sealed
- Optically stabilized
- Weather-sealed
- Beautifully built
- Good optical performance
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- External zoom without zoom lock
- Metal exterior with plastic interior
- Zeiss tax
- Worse than Sigma 14-24mm F2.8 DG DN
- On the heavy side
- External zoom without zoom lock
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