Compare Tamron 100-400mm F/4.5-6.3 vs Tamron 70-180mm F/2.8
Construction
Aperture Blades
9 blades
Colors
Black
Form Factor
Super Telephoto Zoom Lens
Telephoto Zoom Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount
Sony E-mount
Material
Magnesium alloy
Motor
Ring-type ultrasonic
Linear Motor
Optical Formula | Elements
17 elements
Optical Formula | Groups
11 groups
Optical Formula | Special Glass
Three LD elements + eBAND coating groups
Fluorine coating groups
Dimensions
Filter Diameter
67 mm / 2.64 in
67 mm / 2.64 in
Size | Diameter
86 mm / 3.39 in
Size | Length
199 mm / 7.83 in
149 mm / 5.87 in
Weight
1135 g / 40.11 oz
815 g / 28.80 oz
Function
Angle Of View
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical (wide) ~ 6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical (tele)
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 13.7° Diagonal | 11.4° Horizontal | 7.6° Vertical (tele)
Aperture
f/4.5–6.3 ~ f/32–45
f/2.8
Autofocus
Yes
Yes
Focal Length
100 mm ~ 400 mm
70 mm ~ 180 mm
Focus Type
Extending front
Internal
Image Stabilization
Yes (4 stops)
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom (zoom lock available)
Performance
Max Magnification
0.28x
Min Focus Distance
1500 mm / 59.06 in
850 mm / 33.46 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2017-10-26
2019-10-23
Model Name
A035
A056
Reviews
Neofiliac score
60%
60%
Pros
- Very useful focal range
- Optically stabilized
- Weather-sealed
- Reasonable weight for what it is
- Sound build quality
- Fast autofocus
- Very sharp
- Zoom lock prevents zoom creep
- Weather-sealed
Cons
- External zoom without zoom lock
- Not the most solid zoom mechanism
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