Compare Fujifilm XF 50-140mm F2.8 vs Tamron 17–70mm F2.8
Construction
Aperture Blades
7 blades
9 blades, Circular diaphragm
Colors
Black
Black
Form Factor
Telephoto Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
Lens Barrel
Physical aperture ring, Tripod collar
Lens Mount
Fujifilm X-mount
Fujifilm X-mount, Sony E-mount
Material
Metal
Motor
Linear Motor
Stepper motor
Optical Formula | Elements
23 elements
16 elements
Optical Formula | Groups
16 groups
12 groups
Optical Formula | Special Glass
5 ED and 1 Super ED elements groups
Two GM (Glass Molded Aspherical) elements and one hybrid aspherical lens element. groups
Dimensions
Filter Diameter
72 mm / 2.83 in
67 mm / 2.64 in
Size | Diameter
83 mm / 3.27 in
75 mm / 2.95 in
Size | Length
176 mm / 6.93 in
120 mm / 4.72 in
Weight
995 g / 35.16 oz
530 g / 18.73 oz
Function
Angle Of View
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (wide) ~ 11.8° Diagonal | 9.8° Horizontal | 6.5° 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/2.8
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
50 mm ~ 140 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
75.0 mm ~ 210.0 mm
25.5 mm ~ 105.0 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
Yes
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.12x
Min Focus Distance
1000 mm / 39.37 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Debut
2014-09-10
2022-06-16
Reviews
Neofiliac score
62%
59%
Pros
- Superb image quality
- Optically stabilized
- Weather-sealed
- Comes with physical aperture ring
- Comes with a tripod collar
- Optically stabilized
- Weather-sealed
- Decent build quality
Cons
- Long barrel
- On the heavy side
- External zoom without zoom lock
- Not the highest grade of image quality
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