Compare Sigma 14mm F1.8 DG HSM vs Sigma 18-35mm F1.8 DC HSM vs Tokina atx-i 11-20mm F2.8
Variants
EF-mount
F-mount
Construction
Aperture Blades
9 blades
9 blades, Rounded diaphragm
9
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
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
Canon EF-mount, Nikon F-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Silent-Drive focusing Motor (SD-M)
Optical Formula | Elements
16 elements
17 elements
14 elements
Optical Formula | Groups
11 groups
12 groups
12 groups
Optical Formula | Special Glass
Three FLD and four SLD elements groups
5 SLD glass elements, 4 glassmold aspherical elements groups
Dimensions
Filter Diameter
72 mm / 2.83 in
82 mm
Size | Diameter
95 mm / 3.74 in
78 mm / 3.07 in
89 mm
Size | Length
126 mm / 4.96 in
121 mm / 4.76 in
Weight
1170 g / 41.34 oz
810 g / 28.62 oz
Function
Angle Of View
114.2° Diagonal | 104.3° Horizontal | 81.2° Vertical
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical (tele)
104°-72°
Aperture
f/1.8 ~ f/16
f/1.8 ~ f/16
F/2.8 - f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
14 mm
18 mm ~ 35 mm
11-20 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 52.5 mm
16-30mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Zoom Type
Internal zoom
Internal Zoom
Performance
Max Magnification
0.1x
0.23x
1:8.62
Min Focus Distance
270 mm / 10.63 in
280 mm / 11.02 in
0.28 m
Production
Accessory
Lens hood included
Lens Hood: LH780-03 (supplied)
Lens Hood: BH-821
Availability
2020-07-10
Debut
2017-02-21
2013-04-18
2020-06-18
Made In
Japan
Japan
Japan
Reviews
Neofiliac score
55%
65%
Pros
- Excellent image quality
- Very well built
- Internal zoom
- High levels of resolution
- Ultra-wide angle of view.
- Bright f/2.8 aperture.
- Dust and splash protection.
Cons
- Notable comatic aberration
- Very large and heavy
- Lacks front filter thread
- Rather large and heavy for an APS-C lens
- Expensive.
- Omits fluorine protection.
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