Compare Sigma 70mm F2.8 DG Macro 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
Form Factor
Short Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle 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
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Nikon F-mount
Material
Magnesium alloy
Motor
Micromotor
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
13 elements
15 elements
15 elements
Optical Formula | Groups
10 groups
11 groups
13 groups
Optical Formula | Special Glass
Two FLD glass elementsTwo SLD glass elementsTwo 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
49 mm / 1.93 in
Size | Diameter
71 mm / 2.80 in
91 mm / 3.58 in
78 mm / 3.07 in
Size | Length
106 mm / 4.17 in
130 mm / 5.12 in
83 mm / 3.27 in
Weight
515 g / 18.20 oz
950 g / 33.57 oz
485 g / 17.14 oz
Function
Angle Of View
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical
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
70 mm
20 mm
8 mm ~ 15 mm
Focus Type
Extending front
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
No
No
Zoom Type
External zoom
Performance
Max Magnification
1x
0.14x
0.34x
Min Focus Distance
260 mm / 10.24 in
300 mm / 11.81 in
160 mm / 6.30 in
Production
Accessory
Lens Hood: LH708-01 (supplied)
Lens hood included
Lens hood included
Debut
2018-02-27
2015-10-16
2017-05-31
Made In
Japan
Japan
Reviews
Neofiliac score
91%
55%
50%
Pros
- 1x maximum magnification
- Weather-sealed
- Rather lightweight for a 1:1 macro lens
- High level of resolution
- Bright maximum aperture
- 180-degree field of view
Cons
- External focusing
- Built between Art and Contemporary line
- 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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