Compare Sigma 24-35mm F2 DG HSM vs Sony 50mm F1.4 ZA vs Sony 55mm F1.8 ZA
Construction
Aperture Blades
9 blades, Rounded diaphragm
11 blades
9 blades
Colors
Black
Black
Form Factor
Zoom Lens
Normal Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring
Lens Mount
Canon EF-mount, Nikon F-mount, Sigma SA-mount
Sony E-mount
Sony E-mount
Material
All-metal construction
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Stepper motor
Optical Formula | Elements
18 elements
12 elements
7 elements
Optical Formula | Groups
13 groups
9 groups
5 groups
Optical Formula | Special Glass
1 FLD element, 7 SLD glass elements, 2 aspherical elements groups
2 aspherical + 1 ED element + Zeiss T* coating groups
3 aspherical elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
72 mm / 2.83 in
49 mm / 1.93 in
Size | Diameter
88 mm / 3.46 in
84 mm / 3.31 in
64 mm / 2.52 in
Size | Length
123 mm / 4.84 in
108 mm / 4.25 in
71 mm / 2.80 in
Weight
940 g / 33.22 oz
778 g / 27.49 oz
281 g / 9.93 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
43.0° Diagonal | 36.2° Horizontal | 24.6° Vertical
Aperture
f/2 ~ f/16
f/1.4 ~ f/16
f/1.8 ~ f/22
Autofocus
Yes
Yes
Yes
Focal Length
24 mm ~ 35 mm
50 mm
55 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Zoom Type
Internal zoom
Performance
Max Magnification
0.23x
0.15x
0.14x
Min Focus Distance
280 mm / 11.02 in
450 mm / 17.72 in
500 mm / 19.69 in
Production
Accessory
Lens Hood: LH876-03 (supplied)
Lens Hood: ALC-SH143 (supplied)
Lens Hood: ALC-SH131 (supplied)
Debut
2015-06-19
2016-07-11
2013-10-16
Made In
Japan
Model Name
SEL50F14Z
SEL55F18Z
Reviews
Neofiliac score
74%
88%
88%
Pros
- Unique f/2 wide-angle zoom
- Internal zoom
- Superb image quality
- Exceptional sharpness
- Bright maximum aperture
- Weather-sealed
- Declickable aperture ring
- Beautifully built
- Weather-sealed
- Very sharp across the frame
Cons
- Rather heavy
- 24mm and 35mm are so close that a single 24mm prime might be better
- A bit heavy
- Quite expensive for a 1.8/50mm
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