Compare Tamron SP 24-70mm F/2.8 G2 vs Tamron SP 45mm F/1.8
Construction
Aperture Blades
9 blades
9 blades
Colors
Black
Black
Form Factor
Standard Zoom Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount
Canon EF-mount, Nikon F-mount, Sony A-mount
Motor
Ring-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
17 elements
10 elements
Optical Formula | Groups
12 groups
8 groups
Optical Formula | Special Glass
2 XR, 3 LD, 3 GM aspherical, 1 aspherical elements + eBAND and fluorine coatings groups
Two aspherical and one LD element + fluorine, eBAND, and BBAR coatings. groups
Dimensions
Filter Diameter
82 mm / 3.23 in
67 mm / 2.64 in
Size | Diameter
88 mm / 3.46 in
80 mm / 3.15 in
Size | Length
111 mm / 4.37 in
92 mm / 3.62 in
Weight
905 g / 31.98 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)
51.4° Diagonal | 43.6° Horizontal | 29.9° Vertical
Aperture
f/2.8 ~ f/22
f/1.8 ~ f/16
Autofocus
Yes
Yes
Focal Length
24 mm ~ 70 mm
45 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
Yes
Weather Resistance
Yes
Yes
Zoom Type
External zoom (zoom lock available)
Performance
Max Magnification
0.2x
0.3x
Min Focus Distance
380 mm / 14.96 in
290 mm / 11.42 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2017-06-30
2015-09-02
Model Name
A032
F013
Reviews
Neofiliac score
69%
86%
Pros
- Good optical performance
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Optically stabilized
- Weather-sealed
Cons
- On the heavy side
- Rather large and heavy for an f/1.8 normal lens
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