Site Title

Compare SIGMA 18-50mm F2.8 DC DN vs Tokina opera 16-28mm F2.8 vs Sigma 16-28mm F2.8 DG DN

Reviews

Neo score
55%
31%
76%
Pros
  • Constant f/2.8 aperture
  • Very sharp wide open
  • Dust and splash protection
  • Smart clutch AF-MF mechanism
  • Internal zoom
  • Weather-sealed
  • Good image quality
  • Quite compact for what it is
Cons
  • External zoom without zoom lock
  • Not stabilized
  • Large and heavy
  • Lacks front filter thread
  • Narrow zoom range

Price

Offers (incl. referral links)

Construction

Aperture Blades
7 blades, Rounded blades
9 blades
9 blades, Rounded blades
Colors
Black
Black
Form Factor
Standard Zoom Lens
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Lens Mount
Leica L-mount, Sony E-mount
Canon EF-mount, Nikon F-mount
Leica L-mount, Sony E-mount
Motor
Stepper motor
Micromotor
Stepper motor
Optical Formula | Elements
13 elements
15 elements
16 elements
Optical Formula | Groups
10 groups
13 groups
11 groups
Optical Formula | Special Glass
1 Super Low Dispersion and 3 aspherical elements groups
3 aspherical + 3 SD elements, Multi Coating groups
5 FLD, 4 aspherical groups

Dimensions

Filter Diameter
55 mm / 2.17 in
72 mm / 2.83 in
Size | Diameter
65 mm / 2.56 in
89 mm / 3.50 in
77 mm / 3.03 in
Size | Length
75 mm / 2.95 in
134 mm / 5.28 in
101 mm / 3.98 in
Weight
290 g / 10.25 oz
940 g / 33.22 oz
450 g / 15.90 oz

Function

Angle Of View
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (tele)
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
18 mm ~ 50 mm
16 mm ~ 28 mm
16 mm ~ 28 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 75.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Internal zoom

Performance

Max Magnification
0.19x
0.18x
Min Focus Distance
120 mm / 4.72 in
280 mm / 11.02 in
250 mm / 9.84 in

Production

Accessory
Lens Hood: LH582-02 (supplied)
Lens hood included
Lens Hood: LH756-01 (supplied)
Debut
2021-10-19
2019-02-22
2022-06-01
Made In
Japan
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