Compare Tamron SP 24-70mm F/2.8 G2 vs Tamron 18-200mm F/3.5-6.3 vs Tamron 18-400mm F/3.5-6.3
Construction
Aperture Blades
9 blades
7 blades
7 blades
Colors
Black
Black
Black
Form Factor
Standard Zoom Lens
All-in-One Zoom Lens
All-in-One 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 A-mount
Canon EF-mount, Nikon F-mount
Motor
Ring-type ultrasonic
Micromotor
Ring-type ultrasonic
Optical Formula | Elements
17 elements
16 elements
16 elements
Optical Formula | Groups
12 groups
14 groups
11 groups
Optical Formula | Special Glass
2 XR, 3 LD, 3 GM aspherical, 1 aspherical elements + eBAND and fluorine coatings groups
Low dispersion, aspherical, hybrid aspherical elements groups
Dimensions
Filter Diameter
82 mm / 3.23 in
62 mm / 2.44 in
72 mm / 2.83 in
Size | Diameter
88 mm / 3.46 in
75 mm / 2.95 in
79 mm / 3.11 in
Size | Length
111 mm / 4.37 in
97 mm / 3.82 in
124 mm / 4.88 in
Weight
905 g / 31.98 oz
400 g / 14.13 oz
710 g / 25.09 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 8.3° Diagonal | 6.9° Horizontal | 4.6° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical (tele)
Aperture
f/2.8 ~ f/22
f/3.5–5.6 ~ f/22–40
f/3.5–6.3 ~ f/22–40
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
24 mm ~ 70 mm
18 mm ~ 200 mm
18 mm ~ 400 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 300.0 mm
27.0 mm ~ 600.0 mm
Focus Type
Internal
Extending front
Image Stabilization
Yes
Yes
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom (zoom lock available)
External zoom (zoom lock available)
Performance
Max Magnification
0.2x
0.34x
Min Focus Distance
380 mm / 14.96 in
490 mm / 19.29 in
450 mm / 17.72 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2017-06-30
2015-08-06
2017-06-23
Model Name
A032
B018
B028
Reviews
Neofiliac score
69%
60%
60%
Pros
- Good optical performance
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Versatile focal range
- Extreme zoom range
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
Cons
- On the heavy side
- Only really good in the center
- All-in-one lenses tend to offer lower IQ
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