Compare SIGMA 16mm F1.4 DC DN vs SIGMA 18-50mm F2.8 DC DN vs Tamron 17-70mm F/2.8
Variants
E-mount
EF-M
L-mount
MFT
Construction
Aperture Blades
9 (Rounded diaphragm)
7 blades, Rounded blades
9 blades
Colors
Black
Black
Black
Form Factor
Wide-Angle Prime Lens
Standard Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Mount
Sony E-mount, Leica L-mount, Canon EF-M mount, Micro Four Thirds
Leica L-mount, Sony E-mount
Sony E-mount
Motor
Stepper motor
Stepper motor
Stepper motor
Optical Formula | Elements
16 elements
13 elements
16 elements
Optical Formula | Groups
13 groups
10 groups
12 groups
Optical Formula | Special Glass
Three FLD, two SLD, two aspherical groups
1 Super Low Dispersion and 3 aspherical elements groups
1 aspherical + 2 glass-molded aspherical elements groups
Dimensions
Filter Diameter
67 mm / 2.64 in
55 mm / 2.17 in
67 mm / 2.64 in
Size | Diameter
72 mm / 2.83 in
65 mm / 2.56 in
75 mm / 2.95 in
Size | Length
75 mm / 2.95 in
119 mm / 4.69 in
Weight
290 g / 10.25 oz
525 g / 18.55 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)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/1.4 ~ f/16
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
16 mm
18 mm ~ 50 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 75.0 mm
25.5 mm ~ 105.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.1x
0.21x
Min Focus Distance
250 mm / 9.84 in
120 mm / 4.72 in
190 mm / 7.48 in
Production
Accessory
Lens Hood: LH716-01, supplied
Lens Hood: LH582-02 (supplied)
Lens hood included
Debut
2021-10-19
2020-12-03
Made In
Japan
Japan
Model Name
B070
Reviews
Neofiliac score
55%
69%
Pros
- F1.4 aperture
- Very sharp
- Fast and silent
- Very good performance
- Constant f/2.8 aperture
- Very sharp wide open
- Dust and splash protection
- Optically stabilized
- Weather-sealed
- Fast AF
- Good image quality
Cons
- Not as sharp as some APS-C lenses
- High chromatic aberrations
- Small aperture
- External zoom without zoom lock
- Not stabilized
- External zoom without zoom lock
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