Compare Sigma 50-100mm F1.8 DC HSM vs Tokina atx-i 11-20mm F2.8
Variants
EF-mount
F-mount
Construction
Aperture Blades
9 blades, Rounded blades
9
Colors
Black
Black
Form Factor
Telephoto Zoom Lens
Image Size
APS-C
APS-C
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Canon EF-mount, Nikon F-mount
Motor
Silent-Drive focusing Motor (SD-M)
Optical Formula | Elements
21 elements
14 elements
Optical Formula | Groups
15 groups
12 groups
Optical Formula | Special Glass
Three FLD, one SLD, one HRI elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
82 mm
Size | Diameter
94 mm / 3.70 in
89 mm
Size | Length
171 mm / 6.73 in
Weight
1490 g / 52.65 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)
104°-72°
Aperture
f/1.8 ~ f/16
F/2.8 - f/22
Autofocus
Yes
Crop Factor
1.5
Focal Length
50 mm ~ 100 mm
11-20 mm
Focal Length (35mm Equivalent)
75.0 mm ~ 150.0 mm
16-30mm
Image Stabilization
No
Weather Resistance
No
Zoom Type
Internal zoom
Internal Zoom
Performance
Max Magnification
0.15x
1:8.62
Min Focus Distance
950 mm / 37.40 in
0.28 m
Production
Accessory
Lens hood included
Lens Hood: BH-821
Availability
2020-07-10
Debut
2016-02-23
2020-06-18
Made In
Japan
Japan
Reviews
Neofiliac score
46%
Pros
- Superb image quality
- Internal zoom
- Ultra-wide angle of view.
- Bright f/2.8 aperture.
- Dust and splash protection.
Cons
- Very large and heavy for an APS-C lens
- Lacks weather sealing
- Expensive.
- Omits fluorine protection.
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