Compare Sigma 50-100mm F1.8 DC HSM vs Tokina AT-X 14-20mm F2 Pro
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
Colors
Black
Black
Form Factor
Telephoto Zoom Lens
Wide-Angle Zoom Lens
Image Size
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Canon EF-mount, Nikon F-mount
Optical Formula | Elements
21 elements
13 elements
Optical Formula | Groups
15 groups
11 groups
Optical Formula | Special Glass
Three FLD, one SLD, one HRI elements groups
2 super low dispersion + multilayer film coating groups
Dimensions
Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
94 mm / 3.70 in
89 mm / 3.50 in
Size | Length
171 mm / 6.73 in
106 mm / 4.17 in
Weight
1490 g / 52.65 oz
725 g / 25.62 oz
Function
Angle Of View
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (wide) ~ 16.4° Diagonal | 13.7° Horizontal | 9.1° Vertical (tele)
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
Aperture
f/1.8 ~ f/16
f/2 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
50 mm ~ 100 mm
14 mm ~ 20 mm
Focal Length (35mm Equivalent)
75.0 mm ~ 150.0 mm
21.0 mm ~ 30.0 mm
Focus Type
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Zoom Type
Internal zoom
Internal zoom
Performance
Max Magnification
0.15x
0.12x
Min Focus Distance
950 mm / 37.40 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens Hood: BH-823 (supplied)
Debut
2016-02-23
2015-12-28
Made In
Japan
Reviews
Neofiliac score
46%
50%
Pros
- Superb image quality
- Internal zoom
- Internal zoom
- Good image quality
Cons
- Very large and heavy for an APS-C lens
- Lacks weather sealing
- Lacks weather sealing
- Very large and heavy for an APS-C lens
- Not as well built as some alternatives
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