Compare Tamron SP 15-30mm F/2.8 G2 vs Tamron 18-400mm F/3.5-6.3 vs Tamron 17-70mm F/2.8
Construction
Aperture Blades
9 blades
7 blades
9 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Zoom Lens
All-in-One Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount
Canon EF-mount, Nikon F-mount
Sony E-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Stepper motor
Optical Formula | Elements
18 elements
16 elements
16 elements
Optical Formula | Groups
13 groups
11 groups
12 groups
Optical Formula | Special Glass
2 eXpanded glass molded aspherical + 1 molded glass aspherical + 3 aspherical elements, Anti-reflection eXpand + BBAR + fluorine coatings groups
Low dispersion, aspherical, hybrid aspherical elements groups
1 aspherical + 2 glass-molded aspherical elements groups
Dimensions
Filter Diameter
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
98 mm / 3.86 in
79 mm / 3.11 in
75 mm / 2.95 in
Size | Length
145 mm / 5.71 in
124 mm / 4.88 in
119 mm / 4.69 in
Weight
1110 g / 39.22 oz
710 g / 25.09 oz
525 g / 18.55 oz
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical (tele)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/3.5–6.3 ~ f/22–40
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
15 mm ~ 30 mm
18 mm ~ 400 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 600.0 mm
25.5 mm ~ 105.0 mm
Focus Type
Internal
Extending front
Internal
Image Stabilization
Yes (4.5 stops)
Yes
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.2x
0.34x
0.21x
Min Focus Distance
280 mm / 11.02 in
450 mm / 17.72 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2018-08-31
2017-06-23
2020-12-03
Model Name
A041
B028
B070
Reviews
Neofiliac score
50%
60%
69%
Pros
- Optically stabilized
- Weather-sealed
- Good center sharpness
- Interesting focal range
- Extreme zoom range
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Optically stabilized
- Weather-sealed
- Fast AF
- Good image quality
Cons
- Large and heavy
- Lacks front filter thread
- External zoom without zoom lock
- All-in-one lenses tend to offer lower IQ
- External zoom without zoom lock
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