Travel, Street & Lightweight Everyday Carry — RF 28mm f/2.8 STM (2023): The most compact RF prime — at 85g it turns any EOS R into a true everyday pocket camera.
Portraits & Everyday — Sony FE 50mm f/1.8 (2016): The most affordable full-frame prime in the Sony FE system — f/1.8 subject separation and linear motor AF at an entry-level price.
Who should buy what
Quick take: The sony fe 50mm f/1.8 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | RF 28mm f/2.8 STM (2023) | Sony FE 50mm f/1.8 (2016) |
|---|---|---|
| Price | £299 | £199 |
| Sensor | Canon RF mount (full-frame) | f/1.8 (max aperture) |
| Video | N/A — lens | 45cm minimum focus distance |
| Autofocus | STM — quiet, suitable for video | Linear motor (fast and quiet AF) |
| Stabilisation | None | None (relies on body IBIS) |
| Burst Rate | N/A | — |
| Battery Life | N/A | — |
| Weight | 85g | 186g |
| Dimensions | 69.2mm diameter × 24.7mm length | 68.6 × 59.5mm |
| Weather Sealed | No | No |
| Viewfinder | N/A | — |
| Screen | N/A | — |
| Mount | 55mm filter thread | Sony FE (full-frame E-mount) |
| Memory Cards | N/A | — |
| Connectivity | N/A | — |
Suitability by genre
| Genre | RF 28mm f/2.8 STM | Sony FE 50mm f/1.8 |
|---|---|---|
| Travel | — | |
| Street | ||
| Vlogging & Video | ||
| Portrait | — | |
| Family & Everyday | — | |
| Landscape | — | |
| Sports & Action | — |
More comparisons with RF 28mm f/2.8 STM