Compare Sigma 18-200mm F3.5-6.3 DC Macro OS HSM vs Tamron 100-400mm F/4.5-6.3 vs Tamron 18-200mm F/3.5-6.3
Construction
Aperture Blades
7 blades, Rounded diaphragm
9 blades
7 blades
Colors
Black
Black
Form Factor
All-in-One Zoom Lens
Super Telephoto Zoom Lens
All-in-One Zoom Lens
Image Size
APS-C
Full-Frame
APS-C
Lens Barrel
Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount
Canon EF-mount, Nikon F-mount
Canon EF-mount, Nikon F-mount, Sony A-mount
Material
Magnesium alloy
Motor
Ultrasonic
Ring-type ultrasonic
Micromotor
Optical Formula | Elements
16 elements
17 elements
16 elements
Optical Formula | Groups
13 groups
11 groups
14 groups
Optical Formula | Special Glass
SLD glass elements, Double-sided aspheric lenses groups
Three LD elements + eBAND coating groups
Dimensions
Filter Diameter
62 mm / 2.44 in
67 mm / 2.64 in
62 mm / 2.44 in
Size | Diameter
71 mm / 2.80 in
86 mm / 3.39 in
75 mm / 2.95 in
Size | Length
86 mm / 3.39 in
199 mm / 7.83 in
97 mm / 3.82 in
Weight
430 g / 15.19 oz
1135 g / 40.11 oz
400 g / 14.13 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)
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical (wide) ~ 6.2° Diagonal | 5.2° Horizontal | 3.4° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 8.3° Diagonal | 6.9° Horizontal | 4.6° Vertical (tele)
Aperture
f/3.5–6.3 ~ f/22
f/4.5–6.3 ~ f/32–45
f/3.5–5.6 ~ f/22–40
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
18 mm ~ 200 mm
100 mm ~ 400 mm
18 mm ~ 200 mm
Focal Length (35mm Equivalent)
27.0 mm ~ 300.0 mm
27.0 mm ~ 300.0 mm
Focus Type
Internal
Extending front
Image Stabilization
Yes
Yes (4 stops)
Yes
Weather Resistance
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
External zoom (zoom lock available)
Performance
Max Magnification
0.33x
0.28x
Min Focus Distance
390 mm / 15.35 in
1500 mm / 59.06 in
490 mm / 19.29 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2014-01-06
2017-10-26
2015-08-06
Made In
Japan
Model Name
A035
B018
Reviews
Neofiliac score
55%
60%
60%
Pros
- Optically stabilized
- Zoom lock prevents zoom creep
- Superb build quality
- Very useful focal range
- Very useful focal range
- Optically stabilized
- Weather-sealed
- Reasonable weight for what it is
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Versatile focal range
Cons
- All-in-one lenses tend to offer lower IQ
- External zoom without zoom lock
- Only really good in the center
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