Compare Tamron 17–70mm F2.8 vs Sony 16-70mm F4 ZA vs Sony 55mm F1.8 ZA
Construction
Aperture Blades
9 blades, Circular diaphragm
9 blades
Colors
Black
Black
Black
Form Factor
Standard Zoom Lens
Standard Zoom Lens
Normal Prime Lens
Image Size
APS-C
APS-C
Full-Frame
Lens Mount
Fujifilm X-mount, Sony E-mount
Sony E-mount
Sony E-mount
Material
Metal mount and exterior
All-metal construction
Motor
Stepper motor
Stepper motor
Stepper motor
Optical Formula | Elements
16 elements
16 elements
7 elements
Optical Formula | Groups
12 groups
12 groups
5 groups
Optical Formula | Special Glass
Two GM (Glass Molded Aspherical) elements and one hybrid aspherical lens element. groups
Zeiss T* (T-star) coating groups
3 aspherical elements groups
Dimensions
Filter Diameter
67 mm / 2.64 in
55 mm / 2.17 in
49 mm / 1.93 in
Size | Diameter
75 mm / 2.95 in
67 mm / 2.64 in
64 mm / 2.52 in
Size | Length
120 mm / 4.72 in
75 mm / 2.95 in
71 mm / 2.80 in
Weight
530 g / 18.73 oz
308 g / 10.88 oz
281 g / 9.93 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)
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
43.0° Diagonal | 36.2° Horizontal | 24.6° Vertical
Aperture
f/2.8
f/4 ~ f/22
f/1.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
17 mm ~ 70 mm
16 mm ~ 70 mm
55 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
24.0 mm ~ 105.0 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
Yes
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.23x
0.14x
Min Focus Distance
200 mm / 7.87 in
350 mm / 13.78 in
500 mm / 19.69 in
Production
Accessory
Lens hood included
Lens Hood: ALC-SH111 (supplied)
Lens Hood: ALC-SH131 (supplied)
Debut
2022-06-16
2013-08-27
2013-10-16
Model Name
SEL1670Z
SEL55F18Z
Reviews
Neofiliac score
59%
52%
88%
Pros
- Optically stabilized
- Weather-sealed
- Decent build quality
- Optically stabilized
- Good optical performance
- Beautiful construction
- Beautifully built
- Weather-sealed
- Very sharp across the frame
Cons
- Not the highest grade of image quality
- Dark maximum aperture
- External zoom without zoom lock
- Quite expensive for a 1.8/50mm
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