Compare Sigma 24-70mm F2.8 DG OS HSM vs Sigma 20mm F1.4 DG HSM vs Nikon 8-15mm F3.5-4.5E
Construction
Aperture Blades
9 blades
9 blades, Rounded blades
7 blades
Colors
Black
Black
Black
Form Factor
Standard Zoom Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle 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
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Nikon F-mount
Material
Metal
Magnesium alloy
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
19 elements
15 elements
15 elements
Optical Formula | Groups
14 groups
11 groups
13 groups
Optical Formula | Special Glass
Three HLD and four aspherical elements groups
Two FLD, five SLD elements + Super Multi-Layer coating groups
Three ED + two aspherical elements, Nano Crystal and fluorine coatings groups
Dimensions
Filter Diameter
82 mm / 3.23 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
83 mm / 3.27 in
Weight
950 g / 33.57 oz
485 g / 17.14 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
180° Diagonal ~ 110° Diagonal (fisheye)
Aperture
f/2.8 ~ f/22
f/1.4 ~ f/16
f/3.5–29 ~ f/4.5–29
Autofocus
Yes
Yes
Yes
Focal Length
24 mm ~ 70 mm
20 mm
8 mm ~ 15 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
No
No
Weather Resistance
Yes
No
No
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.21x
0.14x
0.34x
Min Focus Distance
370 mm / 14.57 in
300 mm / 11.81 in
160 mm / 6.30 in
Production
Accessory
Lens Hood: LH876-04 (supplied)
Lens hood included
Lens hood included
Debut
2017-02-21
2015-10-16
2017-05-31
Made In
Japan
Japan
Reviews
Neofiliac score
83%
55%
50%
Pros
- Optically stabilized
- Weather-sealed
- Solid build quality
- High level of resolution
- Bright maximum aperture
- 180-degree field of view
Cons
- External zoom without zoom lock
- Not the best Art lens
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- External zoom without zoom lock
- Lacks weather sealing
- Not a rectilinear lens
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