Compare SIGMA 18-50mm F2.8 DC DN vs Sigma 16-28mm F2.8 DG DN vs Nikon Z 17-28mm F2.8
Construction
Aperture Blades
7 blades, Rounded blades
9 blades, Rounded blades
9 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 Mount
Leica L-mount, Sony E-mount
Leica L-mount, Sony E-mount
Nikon Z-mount
Motor
Stepper motor
Stepper motor
Stepper motor
Optical Formula | Elements
13 elements
16 elements
13 elements
Optical Formula | Groups
10 groups
11 groups
11 groups
Optical Formula | Special Glass
1 Super Low Dispersion and 3 aspherical elements groups
5 FLD, 4 aspherical groups
Three aspherical elements, two extra-low dispersion (ED) elements and one Super ED element groups
Dimensions
Filter Diameter
55 mm / 2.17 in
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
65 mm / 2.56 in
77 mm / 3.03 in
75 mm / 2.95 in
Size | Length
75 mm / 2.95 in
101 mm / 3.98 in
101 mm / 3.98 in
Weight
290 g / 10.25 oz
450 g / 15.90 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)
103.7° Diagonal | 93.3° Horizontal | 70.4° 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
17 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
Yes
Zoom Type
External zoom
Internal zoom
Internal zoom
Performance
Max Magnification
0.18x
0.19x
Min Focus Distance
120 mm / 4.72 in
250 mm / 9.84 in
190 mm / 7.48 in
Production
Accessory
Lens Hood: LH582-02 (supplied)
Lens Hood: LH756-01 (supplied)
Lens hood sold separately
Debut
2021-10-19
2022-06-01
2022-09-20
Made In
Japan
Reviews
Neofiliac score
55%
76%
68%
Pros
- Constant f/2.8 aperture
- Very sharp wide open
- Dust and splash protection
- Internal zoom
- Weather-sealed
- Good image quality
- Quite compact for what it is
- Internal zoom
- Weather-sealed
- Decent image quality
- Light and compact
Cons
- External zoom without zoom lock
- Not stabilized
- Lens hood not included
- Low build quality
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