Nikon NIKKOR Z 85mm f/1.8 S vs Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z)
The bottom line
The Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z) is a zoom (50-400mm) and the Nikon NIKKOR Z 85mm f/1.8 S is an 85mm prime. The zoom gives you framing flexibility from one lens; the prime trades that for a fixed focal length that's usually brighter (f/1.8 vs f/4.5) and lighter to carry. Choose flexibility or a fast single focal length.
Choose the Nikon NIKKOR Z 85mm f/1.8 S if…
- ✓You want more light and background blur — f/1.8 is faster than f/4.5, better for low light and subject separation.
- ✓You prefer a fast, compact single focal length — an 85mm prime over a zoom.
- ✓You value portability — at 470g (1.04 lb) it's lighter than the 1130g (2.49 lb) alternative for travel and all-day carry.
Choose the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z) if…
- ✓You need more reach — it goes to 400mm vs 85mm for distant subjects, wildlife and sport.
- ✓You shoot wide — it starts at 50mm vs 85mm for landscapes, interiors and architecture.
- ✓You want one-lens flexibility — a 50-400mm zoom covers what the fixed 85mm can't reframe.
- ✓You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Where they differ
- ›Aperture: the Nikon NIKKOR Z 85mm f/1.8 S opens to f/1.8 vs the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z)'s f/4.5 — more light and shallower depth-of-field.
- ›Focal range: Nikon NIKKOR Z 85mm f/1.8 S is 85mm, Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z) is 50-400mm — different framing and reach.
- ›Type: the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z) is a zoom (flexible framing), the Nikon NIKKOR Z 85mm f/1.8 S a prime (one focal length, usually brighter and lighter).
- ›Stabilisation: only the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z) has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.
- ›Weight: the Nikon NIKKOR Z 85mm f/1.8 S is 470g (1.04 lb) vs 1130g (2.49 lb) — you'll feel the difference handheld.
Frequently asked
Is the Nikon NIKKOR Z 85mm f/1.8 S or the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z) better?
The Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z) is a zoom (50-400mm) and the Nikon NIKKOR Z 85mm f/1.8 S is an 85mm prime. The zoom gives you framing flexibility from one lens; the prime trades that for a fixed focal length that's usually brighter (f/1.8 vs f/4.5) and lighter to carry. Choose flexibility or a fast single focal length.
Who should choose the Nikon NIKKOR Z 85mm f/1.8 S?
Choose the Nikon NIKKOR Z 85mm f/1.8 S if you want more light and background blur — f/1.8 is faster than f/4.5, better for low light and subject separation. Choose it if you prefer a fast, compact single focal length — an 85mm prime over a zoom. Choose it if you value portability — at 470g (1.04 lb) it's lighter than the 1130g (2.49 lb) alternative for travel and all-day carry.
Who should choose the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z)?
Choose the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z) if you need more reach — it goes to 400mm vs 85mm for distant subjects, wildlife and sport. Choose it if you shoot wide — it starts at 50mm vs 85mm for landscapes, interiors and architecture. Choose it if you want one-lens flexibility — a 50-400mm zoom covers what the fixed 85mm can't reframe. Choose it if you shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
What is the main difference between the Nikon NIKKOR Z 85mm f/1.8 S and the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z)?
Aperture: the Nikon NIKKOR Z 85mm f/1.8 S opens to f/1.8 vs the Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Nikon Z)'s f/4.5 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 85mm | 50-400mm |
| Lens Type | Prime | Zoom |
| Optical Elements | 12 | 22 |
| Optical Groups | 8 | 16 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.8 | f/4.5 |
| Minimum Aperture | f/16 | f/32 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Nikon Z | Nikon Z |
| Angle of View | 28.5° – 28.5° | 47° – 6° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Multi-focus Stepping | VXD |
| Focus Limiter | No | Yes |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 80 cm | 72 cm |
| Max Magnification | 0.12x | 0.28x |
| Stabilization & Video | ||
| Optical Stabilization | No | Yes |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $799 | $849 |
| Filter Size | 67mm | 82mm |
| Diameter | 75mm | 88.2mm |
| Length | 99mm | 183.4mm |
| Weight | 470g (1.04 lb) | 1130g (2.49 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | Yes |
