Compare Tamron SP 24-70mm F/2.8 G2 vs Tamron 17-35mm F/2.8-4 Di OSD vs Tamron SP 45mm F/1.8
Construction
Aperture Blades
9 blades
7 blades
9 blades
Colors
Black
Black
Black
Form Factor
Standard Zoom Lens
Wide-Angle Zoom Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount
Canon EF-mount, Nikon F-mount
Canon EF-mount, Nikon F-mount, Sony A-mount
Motor
Ring-type ultrasonic
Micromotor
Ring-type ultrasonic
Optical Formula | Elements
17 elements
15 elements
10 elements
Optical Formula | Groups
12 groups
10 groups
8 groups
Optical Formula | Special Glass
2 XR, 3 LD, 3 GM aspherical, 1 aspherical elements + eBAND and fluorine coatings groups
LD/GM elements, BBAR/fluorine coatings groups
Two aspherical and one LD element + fluorine, eBAND, and BBAR coatings. groups
Dimensions
Filter Diameter
82 mm / 3.23 in
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
88 mm / 3.46 in
84 mm / 3.31 in
80 mm / 3.15 in
Size | Length
111 mm / 4.37 in
93 mm / 3.66 in
92 mm / 3.62 in
Weight
905 g / 31.98 oz
460 g / 16.25 oz
540 g / 19.08 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)
103.7° Diagonal | 93.3° Horizontal | 70.4° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
51.4° Diagonal | 43.6° Horizontal | 29.9° Vertical
Aperture
f/2.8 ~ f/22
f/2.8–4 ~ f/16–22
f/1.8 ~ f/16
Autofocus
Yes
Yes
Yes
Focal Length
24 mm ~ 70 mm
17 mm ~ 35 mm
45 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
Yes
No
Yes
Weather Resistance
Yes
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.2x
0.2x
0.3x
Min Focus Distance
380 mm / 14.96 in
280 mm / 11.02 in
290 mm / 11.42 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2017-06-30
2018-08-06
2015-09-02
Model Name
A032
A037
F013
Reviews
Neofiliac score
69%
69%
86%
Pros
- Good optical performance
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Weather-sealed
- Compact and lightweight
- Optically stabilized
- Weather-sealed
Cons
- On the heavy side
- External zoom without zoom lock
- Variable aperture
- Not the sharpest
- Rather large and heavy for an f/1.8 normal lens
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