Compare Tamron 17–70mm F2.8 vs Tamron 70-300mm F/4.5-6.3
Construction
Aperture Blades
9 blades, Circular diaphragm
9 blades
Colors
Black
Black
Form Factor
Standard Zoom Lens
Telephoto Zoom Lens
Image Size
APS-C
Full-Frame
Lens Mount
Fujifilm X-mount, Sony E-mount
Sony E-mount
Material
Magnesium alloy
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
16 elements
15 elements
Optical Formula | Groups
12 groups
10 groups
Optical Formula | Special Glass
Two GM (Glass Molded Aspherical) elements and one hybrid aspherical lens element. groups
1 low-dispersion element, BBAR coating groups
Dimensions
Filter Diameter
67 mm / 2.64 in
67 mm / 2.64 in
Size | Diameter
75 mm / 2.95 in
77 mm / 3.03 in
Size | Length
120 mm / 4.72 in
148 mm / 5.83 in
Weight
530 g / 18.73 oz
545 g / 19.26 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)
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 8.3° Diagonal | 6.9° Horizontal | 4.6° Vertical (tele)
Aperture
f/2.8
f/4.5–6.3 ~ f/22–32
Autofocus
Yes
Yes
Crop Factor
1.5
Focal Length
17 mm ~ 70 mm
70 mm ~ 300 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.11x
Min Focus Distance
200 mm / 7.87 in
800 mm / 31.50 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2022-06-16
2020-09-25
Model Name
A047
Reviews
Neofiliac score
59%
60%
Pros
- Optically stabilized
- Weather-sealed
- Decent build quality
- Very useful focal range
- Weather-sealed
- Well corrected
Cons
- Not the highest grade of image quality
- Dark and variable maximum aperture
- External zoom without zoom lock
- Not the best build quality
- Not the sharpest
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