Compare Sigma 50-100mm F1.8 DC HSM vs Sigma 20mm F1.4 DG HSM vs Canon EF 16-35mm F2.8L III

Construction

Aperture Blades
9 blades, Rounded blades
9 blades, Rounded blades
9 blades
Colors
Black
Black
Black
Form Factor
Telephoto Zoom Lens
Ultra Wide-Angle Prime Lens
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, Sigma SA-mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount, Sony E-mount, Leica L-mount
Canon EF-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
21 elements
15 elements
16 elements
Optical Formula | Groups
15 groups
11 groups
11 groups
Optical Formula | Special Glass
Three FLD, one SLD, one HRI elements groups
Two FLD, five SLD elements + Super Multi-Layer coating groups
1 dual-surface aspherical, 1 aspherical + fluorine, Air Sphere, Sub-wavelength Structure coatings groups

Dimensions

Filter Diameter
82 mm / 3.23 in
82 mm / 3.23 in
Size | Diameter
94 mm / 3.70 in
91 mm / 3.58 in
89 mm / 3.50 in
Size | Length
171 mm / 6.73 in
130 mm / 5.12 in
128 mm / 5.04 in
Weight
1490 g / 52.65 oz
950 g / 33.57 oz
790 g / 27.92 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)
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
Aperture
f/1.8 ~ f/16
f/1.4 ~ f/16
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
50 mm ~ 100 mm
20 mm
16 mm ~ 35 mm
Focal Length (35mm Equivalent)
75.0 mm ~ 150.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Yes
Zoom Type
Internal zoom
Internal zoom

Performance

Max Magnification
0.15x
0.14x
0.25x
Min Focus Distance
950 mm / 37.40 in
300 mm / 11.81 in
280 mm / 11.02 in

Production

Accessory
Lens hood included
Lens hood included
Lens Hood: EW-88D (supplied)
Debut
2016-02-23
2015-10-16
2016-08-25
Made In
Japan
Japan

Reviews

Neofiliac score
46%
55%
80%
Pros
  • Superb image quality
  • Internal zoom
  • High level of resolution
  • Bright maximum aperture
  • Superb sharpness across the frame
  • Internal zoom
  • Weather-sealed
  • Beautifully crafted
Cons
  • Very large and heavy for an APS-C lens
  • Lacks weather sealing
  • Large and heavy
  • Lacks front filter thread
  • Lacks weather sealing
  • A bit long

Price

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