Sony E PZ 10-20mm f/4 G vs Viltrox AF 50mm f/1.4 PRO
The bottom line
These cover different focal lengths — the Sony E PZ 10-20mm f/4 G is 10-20mm, the Viltrox AF 50mm f/1.4 PRO is 50mm — so they're not really substitutes. Pick by the field of view you actually need: the Sony E PZ 10-20mm f/4 G for wide-angle, the Viltrox AF 50mm f/1.4 PRO for short-telephoto / portrait.
Choose the Sony E PZ 10-20mm f/4 G if…
- ✓You shoot wide — it starts at 10mm vs 50mm for landscapes, interiors and architecture.
- ✓You want one-lens flexibility — a 10-20mm zoom covers what the fixed 50mm can't reframe.
- ✓You value portability — at 143g (5.0 oz) it's lighter than the 800g (1.76 lb) alternative for travel and all-day carry.
- ✓You like close-focus work — 0.21x magnification vs 0.15x.
Choose the Viltrox AF 50mm f/1.4 PRO if…
- ✓You want more light and background blur — f/1.4 is faster than f/4, better for low light and subject separation.
- ✓You need more reach — it goes to 50mm vs 20mm for distant subjects, wildlife and sport.
- ✓You prefer a fast, compact single focal length — a 50mm prime over a zoom.
Where they differ
- ›Aperture: the Viltrox AF 50mm f/1.4 PRO opens to f/1.4 vs the Sony E PZ 10-20mm f/4 G's f/4 — more light and shallower depth-of-field.
- ›Focal range: Sony E PZ 10-20mm f/4 G is 10-20mm, Viltrox AF 50mm f/1.4 PRO is 50mm — different framing and reach.
- ›Type: the Sony E PZ 10-20mm f/4 G is a zoom (flexible framing), the Viltrox AF 50mm f/1.4 PRO a prime (one focal length, usually brighter and lighter).
- ›Price: the Viltrox AF 50mm f/1.4 PRO is $549, $100 under the Sony E PZ 10-20mm f/4 G.
- ›Weight: the Sony E PZ 10-20mm f/4 G is 143g (5.0 oz) vs 800g (1.76 lb) — you'll feel the difference handheld.
Frequently asked
Is the Sony E PZ 10-20mm f/4 G or the Viltrox AF 50mm f/1.4 PRO better?
These cover different focal lengths — the Sony E PZ 10-20mm f/4 G is 10-20mm, the Viltrox AF 50mm f/1.4 PRO is 50mm — so they're not really substitutes. Pick by the field of view you actually need: the Sony E PZ 10-20mm f/4 G for wide-angle, the Viltrox AF 50mm f/1.4 PRO for short-telephoto / portrait.
Who should choose the Sony E PZ 10-20mm f/4 G?
Choose the Sony E PZ 10-20mm f/4 G if you shoot wide — it starts at 10mm vs 50mm for landscapes, interiors and architecture. Choose it if you want one-lens flexibility — a 10-20mm zoom covers what the fixed 50mm can't reframe. Choose it if you value portability — at 143g (5.0 oz) it's lighter than the 800g (1.76 lb) alternative for travel and all-day carry. Choose it if you like close-focus work — 0.21x magnification vs 0.15x.
Who should choose the Viltrox AF 50mm f/1.4 PRO?
Choose the Viltrox AF 50mm f/1.4 PRO if you want more light and background blur — f/1.4 is faster than f/4, better for low light and subject separation. Choose it if you need more reach — it goes to 50mm vs 20mm for distant subjects, wildlife and sport. Choose it if you prefer a fast, compact single focal length — a 50mm prime over a zoom.
What is the main difference between the Sony E PZ 10-20mm f/4 G and the Viltrox AF 50mm f/1.4 PRO?
Aperture: the Viltrox AF 50mm f/1.4 PRO opens to f/1.4 vs the Sony E PZ 10-20mm f/4 G's f/4 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 10-20mm | 50mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 9 | 15 |
| Optical Groups | 7 | 11 |
| Aperture & Iris | ||
| Maximum Aperture | f/4 | f/1.4 |
| Minimum Aperture | f/22 | f/16 |
| Aperture Blades | 7 | 11 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | Full-Frame |
| Lens Mount | Sony E | Sony E |
| Angle of View | 110° – 71° | 47° |
| 35mm Equivalent | 15-30mm | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Linear | VCM |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 15 cm | 45 cm |
| Max Magnification | 0.21x | 0.15x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | Yes | No |
| General | ||
| Price (MSRP) | $649 | $549 |
| Filter Size | 55mm | 77mm |
| Diameter | 63mm | 84.5mm |
| Length | 46.9mm | 111mm |
| Weight | 143g (5.0 oz) | 800g (1.76 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
