Tamron 18-300mm F3.5-6.3 Di III-A VC VXD vs Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
Both are Fujifilm X lenses. Here is what actually differs.
Pick the Tamron 18-300mm F3.5-6.3 Di III-A VC VXD if
- You need 1 stop more light for low light or background blur (f/3.5 vs f/5)
- You want the lighter lens to carry: 515 g lighter (620 g vs 1135 g)
- You want a wider view: 18mm vs 100mm at the wide end
- You want bigger close-ups: 0.5× vs 0.24× maximum magnification
- You prefer a newer design: released 2021 vs 2020
Pick the Sigma 100-400mm f/5-6.3 DG DN OS Contemporary if
- You need more reach: 400mm vs 300mm at the long end
- You shoot full frame: the Tamron 18-300mm F3.5-6.3 Di III-A VC VXD is made for APS-C
- You care about the shape of out-of-focus highlights: 9 aperture blades vs 7
Spec differences
14 differences| Tamron 18-300mm F3.5-6.3 Di III-A VC VXD | Sigma 100-400mm f/5-6.3 DG DN OS Contemporary | |
|---|---|---|
| Brand |
Tamron
|
Sigma
|
| Type |
Zoom
|
Telephoto Zoom
|
| Format |
APS-C
|
Full frame
|
| Focal length |
18-300mm
|
100-400mm
|
| Max aperture |
f/3.5
1 stop faster
|
f/5
|
| Weight |
620 g
lighter
|
1135 g
|
| Length |
not listed
|
199.5 mm
|
| Diameter |
75.5 mm
slimmer
|
86 mm
|
| Min focus distance |
0.15 m
|
not listed
|
| Max magnification |
0.5×
larger
|
0.24×
|
| Aperture blades |
7
|
9
more blades
|
| Optical design |
19 elements / 15 groups
|
22 elements / 16 groups
|
| Autofocus motor |
VXD
|
not listed
|
| Released |
2021
|
2020
|
4 identical specs hidden: mount, filter thread, image stabilization, weather sealing. Show all
- Mount
- Fujifilm X both
- Filter thread
- 67 mm both
- Image stabilization
- Yes both
- Weather sealing
- Yes both
Our notes
Tamron 18-300mm F3.5-6.3 Di III-A VC VXD
A 18-300mm f/3.5-6.3 APS-C superzoom lens, the Tamron 18-300mm F3.5-6.3 Di III-A VC VXD is designed for Fujifilm X mount bodies, with Vibration Compensation. The wide-to-tele range makes it a one-lens option for travel and everyday shooting.
Our notes
Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
More comparisons
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130 g lighter vs more reach (300mm)
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