Compare Tamron SP 70-200mm F/2.8 G2 vs Tamron SP 45mm F/1.8
Construction
Aperture Blades
9 blades
9 blades
Colors
Black
Black
Form Factor
Telephoto Zoom Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Focus limiter, Tripod collar, 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
23 elements
10 elements
Optical Formula | Groups
17 groups
8 groups
Optical Formula | Special Glass
eBAND and fluorine coatingsXLD, LD elements groups
Two aspherical and one LD element + fluorine, eBAND, and BBAR coatings. groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
88 mm / 3.46 in
80 mm / 3.15 in
Size | Length
194 mm / 7.64 in
92 mm / 3.62 in
Weight
1500 g / 53.00 oz
540 g / 19.08 oz
Function
Angle Of View
34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (wide) ~ 12.4° Diagonal | 10.3° Horizontal | 6.9° Vertical (tele)
51.4° Diagonal | 43.6° Horizontal | 29.9° Vertical
Aperture
f/2.8–22 ~ f/2.8–22
f/1.8 ~ f/16
Autofocus
Yes
Yes
Focal Length
70 mm ~ 200 mm
45 mm
Focus Type
Internal
Internal
Image Stabilization
Yes
Yes
Weather Resistance
Yes
Yes
Performance
Max Magnification
0.16x
0.3x
Min Focus Distance
950 mm / 37.40 in
290 mm / 11.42 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2017-02-06
2015-09-02
Model Name
A025
F013
Reviews
Neofiliac score
69%
86%
Pros
- Great image quality
- Optically stabilized
- Weather-sealed
- Comes with a tripod collar
- Not too heavy for what it is
- Compatible with teleconverters
- Optically stabilized
- Weather-sealed
Cons
- Not as solidly built as 1st-party options
- Rather large and heavy for an f/1.8 normal lens
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