Compare Tamron 17–70mm F2.8 vs Tamron 18-400mm F/3.5-6.3 vs Tamron 18-300mm F/3.5-6.3
Construction
Aperture Blades
9 blades, Circular diaphragm
7 blades
Colors
Black
Black
Form Factor
Standard Zoom Lens
All-in-One Zoom Lens
All-in-One Zoom Lens
Image Size
APS-C
APS-C
APS-C
Lens Mount
Fujifilm X-mount, Sony E-mount
Canon EF-mount, Nikon F-mount
Fujifilm X-mount, Sony E-mount
Motor
Stepper motor
Ring-type ultrasonic
Linear Motor
Optical Formula | Elements
16 elements
16 elements
Optical Formula | Groups
12 groups
11 groups
Optical Formula | Special Glass
Two GM (Glass Molded Aspherical) elements and one hybrid aspherical lens element. groups
Low dispersion, aspherical, hybrid aspherical elements groups
Dimensions
Filter Diameter
67 mm / 2.64 in
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
75 mm / 2.95 in
79 mm / 3.11 in
Size | Length
120 mm / 4.72 in
124 mm / 4.88 in
Weight
530 g / 18.73 oz
710 g / 25.09 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) ~ 4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
Aperture
f/2.8
f/3.5–6.3 ~ f/22–40
f/3.5–6.3
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
17 mm ~ 70 mm
18 mm ~ 400 mm
18 mm ~ 300 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
27.0 mm ~ 600.0 mm
27.0 mm ~ 450.0 mm
Focus Type
Internal
Extending front
Image Stabilization
Yes
Yes
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom
External zoom (zoom lock available)
External zoom (zoom lock available)
Performance
Max Magnification
0.34x
0.5x
Min Focus Distance
200 mm / 7.87 in
450 mm / 17.72 in
150 mm / 5.91 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2022-06-16
2017-06-23
2021-07-21
Model Name
B028
B061
Reviews
Neofiliac score
59%
60%
60%
Pros
- Optically stabilized
- Weather-sealed
- Decent build quality
- Extreme zoom range
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
Cons
- Not the highest grade of image quality
- All-in-one lenses tend to offer lower IQ
- All-in-one lenses tend to offer lower IQ
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