
Tamron 28-200mm F/2.8-5.6 Di III RXD vs Sigma 24-70mm F2.8 DG DN | Art 019
Both are Sony E zoom lenses for full frame. Here is what actually differs.

Pick the Tamron 28-200mm F/2.8-5.6 Di III RXD if
- You want the lighter lens to carry: 254 g lighter (576 g vs 830 g)
- You need more reach: 200mm vs 70mm at the long end
- You prefer a newer design: released 2020 vs 2019
- Our notes say it suits: Travel when you want one lens, casual video, street and walkabout shooting
Pick the Sigma 24-70mm F2.8 DG DN | Art 019 if
- You want a wider view: 24mm vs 28mm at the wide end
- You care about the shape of out-of-focus highlights: 11 aperture blades vs 7
- Our notes say it suits: Weddings and events, portraits and street, everyday professional use
Spec differences
13 differences| Tamron 28-200mm F/2.8-5.6 Di III RXD | Sigma 24-70mm F2.8 DG DN | Art 019 | |
|---|---|---|
| Brand |
Tamron
|
Sigma
|
| Focal length |
28-200mm
|
24-70mm
|
| Weight |
576 g
lighter
|
830 g
|
| Length |
117 mm
shorter
|
124.9 mm
|
| Diameter |
74 mm
slimmer
|
87.8 mm
|
| Filter thread |
67 mm
|
82 mm
|
| Min focus distance |
0.19 m
|
0.18 m
closer
|
| Max magnification |
0.32×
|
0.34×
larger
|
| Aperture blades |
7
|
11
more blades
|
| Optical design |
18 elements / 14 groups
|
19 elements / 15 groups
|
| Autofocus motor |
RXD
|
Stepping motor
|
| Weather sealing |
Yes
|
not listed
|
| Released |
2020
|
2019
|
5 identical specs hidden: mount, type, format, max aperture, image stabilization. Show all
- Mount
- Sony E both
- Type
- Zoom both
- Format
- Full frame both
- Max aperture
- f/2.8 both
- Image stabilization
- No both
Our notes
Tamron 28-200mm F/2.8-5.6 Di III RXD
Full-frame superzoom for Sony E-mount that opens to f/2.8 at 28mm and covers 28-200mm. It uses an RXD stepping motor and has no built-in stabilization.
Pros
- f/2.8 at the wide end is unusual for a superzoom
- Compact at about 576 g
- Close focus to 0.19 m
Cons
- No vibration compensation, so it relies on body stabilization
- Aperture narrows to f/5.6 at 200mm
Our notes
Sigma 24-70mm F2.8 DG DN | Art 019
Sigma's f/2.8 standard zoom for full-frame mirrorless in the Art line, with a dust- and splash-proof structure. It covers 24-70mm and weighs about 830 g.
Pros
- Constant f/2.8 across 24-70mm
- Dust- and splash-proof structure
- Close focus to 0.18 m
Cons
- Heavier than an f/4 zoom
- No optical stabilization in the lens
More comparisons

Sony FE 24-70mm f/2.8 GM vs Tamron 28-200mm F/2.8-5.6 Di III RXD
wider (24mm) vs 310 g lighter
Sony FE 24-70mm f/2.8 GM vs Sigma 24-70mm F2.8 DG DN | Art 019
portrait and lifestyle work vs 56 g lighter


Sony FE 16-35mm F2.8 GM vs Tamron 28-200mm F/2.8-5.6 Di III RXD
wider (16mm) vs 104 g lighter
Sony FE 12-24mm F2.8 GM vs Sigma 24-70mm F2.8 DG DN | Art 019
wider (12mm) vs more reach (70mm)

Tamron 28-200mm F/2.8-5.6 Di III RXD vs Sigma 18-50mm F2.8 DC DN | Contemporary 021
more reach (200mm) vs 286 g lighter
Tamron 17-70mm F/2.8 Di III-A VC RXD vs Sigma 24-70mm F2.8 DG DN | Art 019
305 g lighter vs 0.34× magnification