Compare Tamron 18-200mm F/3.5-6.3 vs Tamron 17-35mm F/2.8-4 Di OSD vs Tamron SP 45mm F/1.8
Construction
Aperture Blades
7 blades
7 blades
9 blades
Colors
Black
Black
Black
Form Factor
All-in-One Zoom Lens
Wide-Angle Zoom Lens
Normal Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Sony A-mount
Canon EF-mount, Nikon F-mount
Canon EF-mount, Nikon F-mount, Sony A-mount
Motor
Micromotor
Micromotor
Ring-type ultrasonic
Optical Formula | Elements
16 elements
15 elements
10 elements
Optical Formula | Groups
14 groups
10 groups
8 groups
Optical Formula | Special Glass
LD/GM elements, BBAR/fluorine coatings groups
Two aspherical and one LD element + fluorine, eBAND, and BBAR coatings. groups
Dimensions
Filter Diameter
62 mm / 2.44 in
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
75 mm / 2.95 in
84 mm / 3.31 in
80 mm / 3.15 in
Size | Length
97 mm / 3.82 in
93 mm / 3.66 in
92 mm / 3.62 in
Weight
400 g / 14.13 oz
460 g / 16.25 oz
540 g / 19.08 oz
Function
Angle Of View
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 8.3° Diagonal | 6.9° Horizontal | 4.6° 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/3.5–5.6 ~ f/22–40
f/2.8–4 ~ f/16–22
f/1.8 ~ f/16
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
Focal Length
18 mm ~ 200 mm
17 mm ~ 35 mm
45 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 300.0 mm
Focus Type
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
0.3x
Min Focus Distance
490 mm / 19.29 in
280 mm / 11.02 in
290 mm / 11.42 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-08-06
2018-08-06
2015-09-02
Model Name
B018
A037
F013
Reviews
Neofiliac score
60%
69%
86%
Pros
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Versatile focal range
- Weather-sealed
- Compact and lightweight
- Optically stabilized
- Weather-sealed
Cons
- Only really good in the center
- 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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