Viltrox AF 50mm f/1.4 PRO vs Viltrox AF 55mm f/1.8 EVO
The bottom line
These cover different focal lengths — the Viltrox AF 50mm f/1.4 PRO is 50mm, the Viltrox AF 55mm f/1.8 EVO is 55mm — so they're not really substitutes. Pick by the field of view you actually need: the Viltrox AF 50mm f/1.4 PRO for short-telephoto / portrait, the Viltrox AF 55mm f/1.8 EVO for short-telephoto / portrait.
Choose the Viltrox AF 50mm f/1.4 PRO if…
- ✓You want more light and background blur — f/1.4 is faster than f/1.8, better for low light and subject separation.
Choose the Viltrox AF 55mm f/1.8 EVO if…
- ✓You're on a budget — $370 vs $549 leaves more for other gear.
- ✓You value portability — at 370g (13.1 oz) it's lighter than the 800g (1.76 lb) alternative for travel and all-day carry.
Where they differ
- ›Aperture: the Viltrox AF 50mm f/1.4 PRO opens to f/1.4 vs the Viltrox AF 55mm f/1.8 EVO's f/1.8 — more light and shallower depth-of-field.
- ›Focal range: Viltrox AF 50mm f/1.4 PRO is 50mm, Viltrox AF 55mm f/1.8 EVO is 55mm — different framing and reach.
- ›Price: the Viltrox AF 55mm f/1.8 EVO is $370, $179 under the Viltrox AF 50mm f/1.4 PRO.
- ›Weight: the Viltrox AF 55mm f/1.8 EVO is 370g (13.1 oz) vs 800g (1.76 lb) — you'll feel the difference handheld.
Frequently asked
Is the Viltrox AF 50mm f/1.4 PRO or the Viltrox AF 55mm f/1.8 EVO better?
These cover different focal lengths — the Viltrox AF 50mm f/1.4 PRO is 50mm, the Viltrox AF 55mm f/1.8 EVO is 55mm — so they're not really substitutes. Pick by the field of view you actually need: the Viltrox AF 50mm f/1.4 PRO for short-telephoto / portrait, the Viltrox AF 55mm f/1.8 EVO for short-telephoto / portrait.
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/1.8, better for low light and subject separation.
Who should choose the Viltrox AF 55mm f/1.8 EVO?
Choose the Viltrox AF 55mm f/1.8 EVO if you're on a budget — $370 vs $549 leaves more for other gear. Choose it if you value portability — at 370g (13.1 oz) it's lighter than the 800g (1.76 lb) alternative for travel and all-day carry.
What is the main difference between the Viltrox AF 50mm f/1.4 PRO and the Viltrox AF 55mm f/1.8 EVO?
Aperture: the Viltrox AF 50mm f/1.4 PRO opens to f/1.4 vs the Viltrox AF 55mm f/1.8 EVO's f/1.8 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 50mm | 55mm |
| Lens Type | Prime | Prime |
| Optical Elements | 15 | 13 |
| Optical Groups | 11 | 9 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.4 | f/1.8 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 11 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Sony E | Sony E |
| Angle of View | 47° | 43° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | VCM | STM |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 45 cm | 43 cm |
| Max Magnification | 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) | $549 | $370 |
| Filter Size | 77mm | 58mm |
| Diameter | 84.5mm | − |
| Length | 111mm | 76mm |
| Weight | 800g (1.76 lb) | 370g (13.1 oz) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |






