Compare Sigma 17-70mm F2.8-4 DC Macro vs SIGMA 18-50mm F2.8 DC DN vs Sony 16-55mm F2.8 G
Construction
Aperture Blades
7 blades, rounded
7 blades, Rounded blades
9 blades
Colors
Black
Form Factor
Standard Zoom Lens
Standard Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Leica L-mount, Sony E-mount
Sony E-mount
Material
Plastic barrel, metal mount
Motor
Micro-type ultrasonic
Stepper motor
Linear Motor
Optical Formula | Elements
16 elements
13 elements
17 elements
Optical Formula | Groups
14 groups
10 groups
12 groups
Optical Formula | Special Glass
2 FLD ("F" Low Dispersion) glass elements, 1 SLD (Special Low Dispersion) glass element, 3 aspherical glass lenses including double sided aspherical lens groups
1 Super Low Dispersion and 3 aspherical elements groups
Two AA (advanced aspherical) elements, two aspherical elements, three ED (extra-low dipsersion) elements. Fluorine coated front element. groups
Dimensions
Filter Diameter
72 mm / 2.83 in
55 mm / 2.17 in
67 mm / 2.64 in
Size | Diameter
79 mm / 3.11 in
65 mm / 2.56 in
73 mm / 2.87 in
Size | Length
82 mm / 3.23 in
75 mm / 2.95 in
100 mm / 3.94 in
Weight
465 g / 16.43 oz
290 g / 10.25 oz
494 g / 17.46 oz
Function
Angle Of View
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (tele)
Aperture
f/2.8–4 ~ f/22
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
17 mm ~ 70 mm
18 mm ~ 50 mm
16 mm ~ 55 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
27.0 mm ~ 75.0 mm
24.0 mm ~ 82.5 mm
Focus Type
Internal
Internal
Extending front
Image Stabilization
Yes
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
External zoom
Performance
Max Magnification
0.36x
0.2x
Min Focus Distance
220 mm / 8.66 in
120 mm / 4.72 in
330 mm / 12.99 in
Production
Accessory
Lens Hood: LH780-03 (supplied)
Lens Hood: LH582-02 (supplied)
Lens Hood: ALC-SH161 (supplied)
Debut
2012-09-17
2021-10-19
2019-08-28
Made In
Japan
Japan
Model Name
SEL1655G
Reviews
Neofiliac score
65%
55%
62%
Pros
- Optically stabilized
- Rather good resolution
- Constant f/2.8 aperture
- Very sharp wide open
- Dust and splash protection
- Weather-sealed
- Solid build quality
- Very sharp
Cons
- External zoom without zoom lock
- Merely 0.36x maximum magnification despite named "Macro"
- External zoom without zoom lock
- Not stabilized
- External zoom without zoom lock
- Quite expensive for what it is
- Not stabilized
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