Nikon Nikkor Z 100-400mm F4.5-5.6 VR S vs Tamron 70-300mm f/4.5-6.3 Di III RXD
Both are Nikon Z telephoto zoom lenses for full frame. Here is what actually differs.

Pick the Nikon Nikkor Z 100-400mm F4.5-5.6 VR S if
- You need more reach: 400mm vs 300mm at the long end
- You shoot handheld in dim light or video: it has optical image stabilization and the Tamron 70-300mm f/4.5-6.3 Di III RXD does not
- You want bigger close-ups: 0.39× vs 0.2× maximum magnification
- Our notes say it suits: Wildlife, sports, airshows
Pick the Tamron 70-300mm f/4.5-6.3 Di III RXD if
- You want the lighter lens to carry: 855 g lighter (580 g vs 1435 g)
- You want a wider view: 70mm vs 100mm at the wide end
- You want a compact lens: 150.3 mm vs 222 mm long
- You prefer a newer design: released 2022 vs 2021
Spec differences
14 differences| Nikon Nikkor Z 100-400mm F4.5-5.6 VR S | Tamron 70-300mm f/4.5-6.3 Di III RXD | |
|---|---|---|
| Brand |
Nikon
|
Tamron
|
| Focal length |
100-400mm
|
70-300mm
|
| Weight |
1435 g
|
580 g
lighter
|
| Length |
222 mm
|
150.3 mm
shorter
|
| Diameter |
98 mm
|
77 mm
slimmer
|
| Filter thread |
77 mm
|
67 mm
|
| Min focus distance |
0.75 m
closer
|
0.8 m
|
| Max magnification |
0.39×
larger
|
0.2×
|
| Aperture blades |
not listed
|
7
|
| Optical design |
25 elements / 20 groups
|
15 elements / 10 groups
|
| Autofocus motor |
not listed
|
RXD
|
| Image stabilization |
Yes
stabilized
|
No
|
| Weather sealing |
not listed
|
Yes
|
| Released |
2021
|
2022
|
4 identical specs hidden: mount, type, format, max aperture. Show all
- Mount
- Nikon Z both
- Type
- Telephoto Zoom both
- Format
- Full frame both
- Max aperture
- f/4.5 both
Our notes
Nikon Nikkor Z 100-400mm F4.5-5.6 VR S
The Nikkor Z 100-400mm F4.5-5.6 VR S is a telephoto zoom for Nikon Z full-frame cameras with vibration reduction and weather sealing, popular for wildlife and sports.
Pros
- Long 400mm reach
- Vibration reduction
- Weather-sealed
- Teleconverter compatible
Cons
- Variable aperture
- Heavy (1.44 kg)
Our notes
Tamron 70-300mm f/4.5-6.3 Di III RXD
More comparisons
Nikon Nikkor Z 100-400mm F4.5-5.6 VR S vs Tamron E 35-150mm f/2-2.8 2.0-2.8 Di III VXD A058Z
more reach (400mm) vs 2⅓ stops faster

Nikon Nikkor Z 24-120mm F4 S vs Tamron 70-300mm f/4.5-6.3 Di III RXD
⅓ stop faster vs 50 g lighter
Nikon Nikkor Z 100-400mm F4.5-5.6 VR S vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
more reach (400mm) vs ⅔ stop faster

Sigma 16-300mm f/3.5-6.7 DC OS Contemporary vs Tamron 70-300mm f/4.5-6.3 Di III RXD
⅔ stop faster vs 50 g lighter
Nikon Nikkor Z 24-120mm F4 S vs 100-400mm F4.5-5.6 VR S
⅓ stop faster vs more reach (400mm)

Tamron E 35-150mm f/2-2.8 2.0-2.8 Di III VXD A058Z vs 70-300mm f/4.5-6.3 Di III RXD
2⅓ stops faster vs 610 g lighter