Compare Sigma 20mm F1.4 DG HSM vs Sigma 24mm F2 DG DN vs SIGMA 28-70mm F2.8 DG DN
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
9 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Standard Zoom Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Leica L-mount, Sony E-mount
Leica L-mount, Sony E-mount
Material
Magnesium alloy
Magnesium alloy
Motor
Ring-type ultrasonic
Stepper motor
Stepper motor
Optical Formula | Elements
15 elements
13 elements
16 elements
Optical Formula | Groups
11 groups
11 groups
12 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
1 FLD + 2 SLD + 2 aspherical elements groups
2 FLD + 2 SLD + 3 aspherical elements, Nano Porous + Super Multi-Layer coating groups
Dimensions
Filter Diameter
62 mm / 2.44 in
67 mm / 2.64 in
Size | Diameter
91 mm / 3.58 in
70 mm / 2.76 in
72 mm / 2.83 in
Size | Length
130 mm / 5.12 in
72 mm / 2.83 in
102 mm / 4.02 in
Weight
950 g / 33.57 oz
365 g / 12.90 oz
470 g / 16.61 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/2 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
20 mm
24 mm
28 mm ~ 70 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.14x
0.15x
0.3x
Min Focus Distance
300 mm / 11.81 in
250 mm / 9.84 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-10-16
2021-09-09
2021-02-24
Made In
Japan
Japan
Japan
Reviews
Neofiliac score
55%
83%
74%
Pros
- High level of resolution
- Bright maximum aperture
- All metal construction
- Weather-sealed
- Comes with physical aperture ring
- Superb image quality
- Rather light and compact
- Weather-sealed
- Lightweight and compact
- Good image quality
- Fast autofocus
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- External zoom without zoom lock
- Vignetting at 70mm
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