Compare Sigma 18-35mm F1.8 DC HSM vs Sigma 12-24mm F4 DG HSM vs Tokina atx-i 17-35mm F4
Variants
EF-mount
F-mount
Construction
Aperture Blades
9 blades, Rounded diaphragm
9 blades
9
Colors
Black
Black
Form Factor
Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
Full-Frame
Full-frame
Lens Barrel
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Canon EF-mount, Nikon F-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Silent-Drive focusing Motor (SD-M)
Optical Formula | Elements
17 elements
16 elements
13 elements
Optical Formula | Groups
12 groups
11 groups
12 groups
Optical Formula | Special Glass
5 SLD glass elements, 4 glassmold aspherical elements groups
FLD + aspheric elements, Super Multi-Layer coating groups
Dimensions
Filter Diameter
72 mm / 2.83 in
82 mm
Size | Diameter
78 mm / 3.07 in
101 mm / 3.98 in
89 mm
Size | Length
121 mm / 4.76 in
132 mm / 5.20 in
Weight
810 g / 28.62 oz
1150 g / 40.64 oz
Function
Angle Of View
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical (tele)
122.0° Diagonal | 112.6° Horizontal | 90.0° Vertical (wide) ~ 84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (tele)
104°-64°
Aperture
f/1.8 ~ f/16
f/4 ~ f/22
F/4 - f/22
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
18 mm ~ 35 mm
12 mm ~ 24 mm
17-35 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 52.5 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Zoom Type
Internal zoom
External zoom
Internal Zoom
Performance
Max Magnification
0.23x
0.2x
1:4.82
Min Focus Distance
280 mm / 11.02 in
240 mm / 9.45 in
0.28 m
Production
Accessory
Lens Hood: LH780-03 (supplied)
Lens hood included
Lens Hood: BH-821
Availability
2020-12-11
Debut
2013-04-18
2016-09-19
2020-11-20
Made In
Japan
Japan
Japan
Reviews
Neofiliac score
65%
38%
Pros
- Internal zoom
- High levels of resolution
- Weather-sealed
- Quite good level of resolution
Cons
- Rather large and heavy for an APS-C lens
- Dark maximum aperture
- Very large and heavy
- Lacks front filter thread
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