Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR vs Viltrox AF 56mm f/1.2 PRO (Nikon Z)
The bottom line
The Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR is a zoom (18-140mm) and the Viltrox AF 56mm f/1.2 PRO (Nikon Z) is a 56mm prime. The zoom gives you framing flexibility from one lens; the prime trades that for a fixed focal length that's usually brighter (f/1.2 vs f/3.5) and lighter to carry. Choose flexibility or a fast single focal length.
Choose the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR if…
- ✓You need more reach — it goes to 140mm vs 56mm for distant subjects, wildlife and sport.
- ✓You shoot wide — it starts at 18mm vs 56mm for landscapes, interiors and architecture.
- ✓You want one-lens flexibility — a 18-140mm zoom covers what the fixed 56mm can't reframe.
- ✓You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Choose the Viltrox AF 56mm f/1.2 PRO (Nikon Z) if…
- ✓You want more light and background blur — f/1.2 is faster than f/3.5, better for low light and subject separation.
- ✓You prefer a fast, compact single focal length — a 56mm prime over a zoom.
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Where they differ
- ›Aperture: the Viltrox AF 56mm f/1.2 PRO (Nikon Z) opens to f/1.2 vs the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR's f/3.5 — more light and shallower depth-of-field.
- ›Focal range: Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR is 18-140mm, Viltrox AF 56mm f/1.2 PRO (Nikon Z) is 56mm — different framing and reach.
- ›Type: the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR is a zoom (flexible framing), the Viltrox AF 56mm f/1.2 PRO (Nikon Z) a prime (one focal length, usually brighter and lighter).
- ›Stabilisation: only the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.
- ›Weight: the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR is 315g (11.1 oz) vs 595g (1.31 lb) — you'll feel the difference handheld.
- ›Durability: the Viltrox AF 56mm f/1.2 PRO (Nikon Z) is weather-sealed; the other isn't.
Frequently asked
Is the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR or the Viltrox AF 56mm f/1.2 PRO (Nikon Z) better?
The Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR is a zoom (18-140mm) and the Viltrox AF 56mm f/1.2 PRO (Nikon Z) is a 56mm prime. The zoom gives you framing flexibility from one lens; the prime trades that for a fixed focal length that's usually brighter (f/1.2 vs f/3.5) and lighter to carry. Choose flexibility or a fast single focal length.
Who should choose the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR?
Choose the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR if you need more reach — it goes to 140mm vs 56mm for distant subjects, wildlife and sport. Choose it if you shoot wide — it starts at 18mm vs 56mm for landscapes, interiors and architecture. Choose it if you want one-lens flexibility — a 18-140mm zoom covers what the fixed 56mm can't reframe. Choose it if you shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Who should choose the Viltrox AF 56mm f/1.2 PRO (Nikon Z)?
Choose the Viltrox AF 56mm f/1.2 PRO (Nikon Z) if you want more light and background blur — f/1.2 is faster than f/3.5, better for low light and subject separation. Choose it if you prefer a fast, compact single focal length — a 56mm prime over a zoom. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.
What is the main difference between the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR and the Viltrox AF 56mm f/1.2 PRO (Nikon Z)?
Aperture: the Viltrox AF 56mm f/1.2 PRO (Nikon Z) opens to f/1.2 vs the Nikon NIKKOR Z DX 18-140mm f/3.5-6.3 VR's f/3.5 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 18-140mm | 56mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 16 | 13 |
| Optical Groups | 11 | 8 |
| Aperture & Iris | ||
| Maximum Aperture | f/3.5 | f/1.2 |
| Minimum Aperture | f/22 | f/16 |
| Aperture Blades | 7 | 11 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Nikon Z | Nikon Z |
| Angle of View | 76° – 12° | 29° |
| 35mm Equivalent | 27-210mm | 85-85mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | Dual HyperVCM |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 20 cm | 50 cm |
| Max Magnification | 0.36x | − |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | Yes |
| Declickable Aperture | No | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $599 | $580 |
| Filter Size | 62mm | 67mm |
| Diameter | 70mm | 78.4mm |
| Length | 88.5mm | 94mm |
| Weight | 315g (11.1 oz) | 595g (1.31 lb) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |






