Sony FE 50mm f/1.4 GM vs Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E)
The bottom line
The Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) is a zoom (18-300mm) and the Sony FE 50mm f/1.4 GM is a 50mm prime. The zoom gives you framing flexibility from one lens; the prime trades that for a fixed focal length that's usually brighter (f/1.4 vs f/3.5) and lighter to carry. Choose flexibility or a fast single focal length.
Choose the Sony FE 50mm f/1.4 GM if…
- ✓You want more light and background blur — f/1.4 is faster than f/3.5, better for low light and subject separation.
- ✓You prefer a fast, compact single focal length — a 50mm prime over a zoom.
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Choose the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) if…
- ✓You need more reach — it goes to 300mm vs 50mm for distant subjects, wildlife and sport.
- ✓You shoot wide — it starts at 18mm vs 50mm for landscapes, interiors and architecture.
- ✓You want one-lens flexibility — a 18-300mm zoom covers what the fixed 50mm can't reframe.
- ✓You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Where they differ
- ›Aperture: the Sony FE 50mm f/1.4 GM opens to f/1.4 vs the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E)'s f/3.5 — more light and shallower depth-of-field.
- ›Focal range: Sony FE 50mm f/1.4 GM is 50mm, Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) is 18-300mm — different framing and reach.
- ›Type: the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) is a zoom (flexible framing), the Sony FE 50mm f/1.4 GM a prime (one focal length, usually brighter and lighter).
- ›Stabilisation: only the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.
- ›Close-up: the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) reaches 0.5x magnification vs 0.16x — more for close-up and macro work.
- ›Weight: the Sony FE 50mm f/1.4 GM is 516g (1.14 lb) vs 620g (1.37 lb) — you'll feel the difference handheld.
Frequently asked
Is the Sony FE 50mm f/1.4 GM or the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) better?
The Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) is a zoom (18-300mm) and the Sony FE 50mm f/1.4 GM is a 50mm prime. The zoom gives you framing flexibility from one lens; the prime trades that for a fixed focal length that's usually brighter (f/1.4 vs f/3.5) and lighter to carry. Choose flexibility or a fast single focal length.
Who should choose the Sony FE 50mm f/1.4 GM?
Choose the Sony FE 50mm f/1.4 GM if you want more light and background blur — f/1.4 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 50mm prime over a zoom. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Who should choose the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E)?
Choose the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E) if you need more reach — it goes to 300mm vs 50mm for distant subjects, wildlife and sport. Choose it if you shoot wide — it starts at 18mm vs 50mm for landscapes, interiors and architecture. Choose it if you want one-lens flexibility — a 18-300mm zoom covers what the fixed 50mm 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 Sony FE 50mm f/1.4 GM and the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E)?
Aperture: the Sony FE 50mm f/1.4 GM opens to f/1.4 vs the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Sony E)'s f/3.5 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 50mm | 18-300mm |
| Lens Type | Prime | Zoom |
| Optical Elements | 14 | 19 |
| Optical Groups | 11 | 15 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.4 | f/3.5 |
| Minimum Aperture | f/16 | f/22 |
| Aperture Blades | 11 | 7 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | APS-C |
| Lens Mount | Sony E | Sony E |
| Angle of View | 47° – 47° | 77.4° – 5.5° |
| 35mm Equivalent | − | 27-450mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | XD Linear | VXD |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 38 cm | 15 cm |
| Max Magnification | 0.16x | 0.5x |
| Stabilization & Video | ||
| Optical Stabilization | No | Yes |
| Aperture Ring | Yes | No |
| Declickable Aperture | Yes | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $1,299 | − |
| Filter Size | 67mm | 67mm |
| Diameter | 80.6mm | 75.5mm |
| Length | 96mm | 125.6mm |
| Weight | 516g (1.14 lb) | 620g (1.37 lb) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |
