Compare Sigma 16-28mm F2.8 DG DN vs Sony 55mm F1.8 ZA
Construction
Aperture Blades
9 blades, Rounded blades
9 blades
Colors
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Mount
Leica L-mount, Sony E-mount
Sony E-mount
Material
All-metal construction
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
16 elements
7 elements
Optical Formula | Groups
11 groups
5 groups
Optical Formula | Special Glass
5 FLD, 4 aspherical groups
3 aspherical elements groups
Dimensions
Filter Diameter
72 mm / 2.83 in
49 mm / 1.93 in
Size | Diameter
77 mm / 3.03 in
64 mm / 2.52 in
Size | Length
101 mm / 3.98 in
71 mm / 2.80 in
Weight
450 g / 15.90 oz
281 g / 9.93 oz
Function
Angle Of View
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (tele)
43.0° Diagonal | 36.2° Horizontal | 24.6° Vertical
Aperture
f/2.8 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
Yes
Focal Length
16 mm ~ 28 mm
55 mm
Focus Type
Internal
Internal
Image Stabilization
No
Weather Resistance
Yes
Yes
Zoom Type
Internal zoom
Performance
Max Magnification
0.18x
0.14x
Min Focus Distance
250 mm / 9.84 in
500 mm / 19.69 in
Production
Accessory
Lens Hood: LH756-01 (supplied)
Lens Hood: ALC-SH131 (supplied)
Debut
2022-06-01
2013-10-16
Model Name
SEL55F18Z
Reviews
Neofiliac score
76%
88%
Pros
- Internal zoom
- Weather-sealed
- Good image quality
- Quite compact for what it is
- Beautifully built
- Weather-sealed
- Very sharp across the frame
Cons
- Quite expensive for a 1.8/50mm
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