It's a trade-off
The Sony 14mm f/1.8 GM and Sony 20-70mm f/4 G differ mainly in focal length — 14mm versus 20-70mm — so the right choice comes down to the field of view you want rather than one lens outperforming the other. The Sony 14mm f/1.8 GM offers a wider f/1.8 aperture, a lighter body (28g less) and closer minimum focusing, while the Sony 20-70mm f/4 G offers a lower price (£71 less). Both share a compatible lens mount.
Our take: If you're unsure, the Sony 20-70mm f/4 G is the safer value pick — step up to the Sony 14mm f/1.8 GM only if you want a wider f/1.8 aperture, a lighter body (28g less) and closer minimum focusing.
It really comes down to aperture versus price — pick the one whose strengths match how you shoot.
…if you want:
| Sony 14mm f/1.8 GM | Sony 20-70mm f/4 G |
|---|---|
| Price £799on Amazon | Price £728on Amazon |
| BrandSony |
Lenny's verdictBETALenny couldn't answer just now — it's usually temporary.
| BrandSony |
Sensor Format
| Sensor Format
|
Mount
| Mount
|
| CategoryUltra Wide | CategoryUltra Wide |
| Use Case ArchitecturalAstroLandscapeLow LightVideography | Use Case LandscapeTravelVloggingEverydayVideography |
| Focal Length14mm | Focal Length20mm - 70mm |
| Angle of View114° | Angle of View94° - 34° |
| Aperture f/1.8 (max)f/16 (min) Wider aperture | Aperture f/4 (max)f/22 (min) |
| Blades9 | Blades9 |
| Circular ApertureYes | Circular ApertureYes |
| Min Focus Distance0.25m Focuses closer | Min Focus Distance0.3m |
| Max Magnification0.1x | Max Magnification0.39x |
| Filter Diameter0mm | Filter Diameter72mm |
| Weight460g Lighter | Weight488g |
| StabilizationNo (relies on camera) | StabilizationNo (relies on camera) |
| Auto FocusYes | Auto FocusYes |
| Release Date2021 | Release Date2023 |
| View full detailsSony 14mm f/1.8 GM | View full detailsSony 20-70mm f/4 G |
