Compare Sigma 17-70mm F2.8-4 DC Macro vs Tamron 18-400mm F/3.5-6.3
Construction
Aperture Blades
7 blades, rounded
7 blades
Colors
Black
Form Factor
Standard Zoom Lens
All-in-One Zoom Lens
Image Size
APS-C
APS-C
Lens Barrel
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
Material
Plastic barrel, metal mount
Motor
Micro-type ultrasonic
Ring-type ultrasonic
Optical Formula | Elements
16 elements
16 elements
Optical Formula | Groups
14 groups
11 groups
Optical Formula | Special Glass
2 FLD ("F" Low Dispersion) glass elements, 1 SLD (Special Low Dispersion) glass element, 3 aspherical glass lenses including double sided aspherical lens groups
Low dispersion, aspherical, hybrid aspherical elements groups
Dimensions
Filter Diameter
72 mm / 2.83 in
72 mm / 2.83 in
Size | Diameter
79 mm / 3.11 in
79 mm / 3.11 in
Size | Length
82 mm / 3.23 in
124 mm / 4.88 in
Weight
465 g / 16.43 oz
710 g / 25.09 oz
Function
Angle Of View
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical (tele)
Aperture
f/2.8–4 ~ f/22
f/3.5–6.3 ~ f/22–40
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
17 mm ~ 70 mm
18 mm ~ 400 mm
Focal Length (35mm Equivalent)
25.5 mm ~ 105.0 mm
27.0 mm ~ 600.0 mm
Focus Type
Internal
Extending front
Image Stabilization
Yes
Yes
Weather Resistance
Yes
Zoom Type
External zoom
External zoom (zoom lock available)
Performance
Max Magnification
0.36x
0.34x
Min Focus Distance
220 mm / 8.66 in
450 mm / 17.72 in
Production
Accessory
Lens Hood: LH780-03 (supplied)
Lens hood included
Debut
2012-09-17
2017-06-23
Made In
Japan
Model Name
B028
Reviews
Neofiliac score
65%
60%
Pros
- Optically stabilized
- Rather good resolution
- Extreme zoom range
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
Cons
- External zoom without zoom lock
- Merely 0.36x maximum magnification despite named "Macro"
- All-in-one lenses tend to offer lower IQ
Remove
Remove
Related Products
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.