Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) vs Viltrox AF 35mm f/1.8 II EVO (Nikon Z)
The bottom line
These cover different focal lengths — the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) is 70-300mm, the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) is 35mm — so they're not really substitutes. Pick by the field of view you actually need: the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) for super-telephoto, the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) for short-telephoto / portrait.
Choose the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) if…
- ✓You need more reach — it goes to 300mm vs 35mm for distant subjects, wildlife and sport.
- ✓You want one-lens flexibility — a 70-300mm zoom covers what the fixed 35mm can't reframe.
- ✓You like close-focus work — 0.32x magnification vs 0.15x.
Choose the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) 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 shoot wide — it starts at 35mm vs 70mm for landscapes, interiors and architecture.
- ✓You prefer a fast, compact single focal length — a 35mm prime over a zoom.
- ✓You value portability — at 375g (13.2 oz) it's lighter than the 545g (1.20 lb) alternative for travel and all-day carry.
Where they differ
- ›Aperture: the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) opens to f/1.8 vs the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z)'s f/4.5 — more light and shallower depth-of-field.
- ›Focal range: Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) is 70-300mm, Viltrox AF 35mm f/1.8 II EVO (Nikon Z) is 35mm — different framing and reach.
- ›Type: the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) is a zoom (flexible framing), the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) a prime (one focal length, usually brighter and lighter).
- ›Weight: the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) is 375g (13.2 oz) vs 545g (1.20 lb) — you'll feel the difference handheld.
- ›Durability: the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) is weather-sealed; the other isn't.
Frequently asked
Is the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) or the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) better?
These cover different focal lengths — the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) is 70-300mm, the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) is 35mm — so they're not really substitutes. Pick by the field of view you actually need: the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) for super-telephoto, the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) for short-telephoto / portrait.
Who should choose the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z)?
Choose the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) if you need more reach — it goes to 300mm vs 35mm for distant subjects, wildlife and sport. Choose it if you want one-lens flexibility — a 70-300mm zoom covers what the fixed 35mm can't reframe. Choose it if you like close-focus work — 0.32x magnification vs 0.15x.
Who should choose the Viltrox AF 35mm f/1.8 II EVO (Nikon Z)?
Choose the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) 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 shoot wide — it starts at 35mm vs 70mm for landscapes, interiors and architecture. Choose it if you prefer a fast, compact single focal length — a 35mm prime over a zoom. Choose it if you value portability — at 375g (13.2 oz) it's lighter than the 545g (1.20 lb) alternative for travel and all-day carry.
What is the main difference between the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z) and the Viltrox AF 35mm f/1.8 II EVO (Nikon Z)?
Aperture: the Viltrox AF 35mm f/1.8 II EVO (Nikon Z) opens to f/1.8 vs the Tamron 70-300mm f/4.5-6.3 Di III RXD (Nikon Z)'s f/4.5 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 70-300mm | 35mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 14 | 13 |
| Optical Groups | 10 | 10 |
| Aperture & Iris | ||
| Maximum Aperture | f/4.5 | f/1.8 |
| Minimum Aperture | f/32 | f/16 |
| 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 | 34° – 8° | 63° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | RXD | STM |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 80 cm | 34 cm |
| Max Magnification | 0.32x | 0.15x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $449 | $395 |
| Filter Size | 67mm | 58mm |
| Diameter | 74.4mm | − |
| Length | 148.3mm | 76mm |
| Weight | 545g (1.20 lb) | 375g (13.2 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |






