Compare Sigma 20mm F1.4 DG HSM vs Sigma 18-300 F3.5-6.3 DC Macro vs SIGMA 28-70mm F2.8 DG DN
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
All-in-One Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
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
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Leica L-mount, Sony E-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Ultrasonic
Stepper motor
Optical Formula | Elements
15 elements
16 elements
Optical Formula | Groups
11 groups
12 groups
Optical Formula | Special Glass
Two FLD, five SLD elements + Super Multi-Layer coating groups
4 "F" low dispersion, 1 special low dispersion groups
2 FLD + 2 SLD + 3 aspherical elements, Nano Porous + Super Multi-Layer coating groups
Dimensions
Filter Diameter
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
91 mm / 3.58 in
72 mm / 2.83 in
Size | Length
130 mm / 5.12 in
102 mm / 4.02 in
Weight
950 g / 33.57 oz
470 g / 16.61 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
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/3.5–6.3 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
20 mm
18 mm ~ 300 mm
28 mm ~ 70 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 450.0 mm
Focus Type
Internal
Extending front
Internal
Image Stabilization
No
Yes
No
Weather Resistance
No
No
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.14x
3x
0.3x
Min Focus Distance
300 mm / 11.81 in
390 mm / 15.35 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-10-16
2014-09-12
2021-02-24
Made In
Japan
Japan
Japan
Reviews
Neofiliac score
55%
55%
74%
Pros
- High level of resolution
- Bright maximum aperture
- Very versatile focal range
- Optically stabilized
- Zoom lock prevents zoom creep
- High maximum magnification
- Weather-sealed
- Lightweight and compact
- Good image quality
- Fast autofocus
Cons
- Large and heavy
- Lacks front filter thread
- Lacks weather sealing
- All-in-one lenses tend to offer lower IQ
- Lacks weather sealing
- External zoom without zoom lock
- Vignetting at 70mm
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