Compare Sigma 24-105mm F4 DG OS HSM vs Sigma 18-35mm F1.8 DC HSM vs Tokina AT-X 14-20mm F2 Pro
Construction
Aperture Blades
9 blades, Rounded diaphragm
9 blades, Rounded diaphragm
9 blades
Colors
Black
Form Factor
Standard Zoom Lens
Zoom Lens
Wide-Angle Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Distance scale
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony A-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
Optical Formula | Elements
19 elements
17 elements
13 elements
Optical Formula | Groups
14 groups
12 groups
11 groups
Optical Formula | Special Glass
5 SLD glass elements, 4 glassmold aspherical elements groups
2 super low dispersion + multilayer film coating groups
Dimensions
Filter Diameter
82 mm / 3.23 in
72 mm / 2.83 in
82 mm / 3.23 in
Size | Diameter
89 mm / 3.50 in
78 mm / 3.07 in
89 mm / 3.50 in
Size | Length
109 mm / 4.29 in
121 mm / 4.76 in
106 mm / 4.17 in
Weight
885 g / 31.27 oz
810 g / 28.62 oz
725 g / 25.62 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical (tele)
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
Aperture
f/4 ~ f/22
f/1.8 ~ f/16
f/2 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
24 mm ~ 105 mm
18 mm ~ 35 mm
14 mm ~ 20 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 52.5 mm
21.0 mm ~ 30.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
No
No
Weather Resistance
No
Zoom Type
External zoom
Internal zoom
Internal zoom
Performance
Max Magnification
0.22x
0.23x
0.12x
Min Focus Distance
450 mm / 17.72 in
280 mm / 11.02 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens Hood: LH780-03 (supplied)
Lens Hood: BH-823 (supplied)
Debut
2013-10-16
2013-04-18
2015-12-28
Made In
Japan
Japan
Reviews
Neofiliac score
55%
65%
50%
Pros
- Optically stabilized
- Very well built
- Internal zoom
- High levels of resolution
- Internal zoom
- Good image quality
Cons
- Dark maximum aperture
- On the heavy side
- External zoom without zoom lock
- One of the lesser
- Rather large and heavy for an APS-C lens
- Lacks weather sealing
- Very large and heavy for an APS-C lens
- Not as well built as some alternatives
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