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.
Street, Travel & Documentary Photography — XF 23mm f/2 R WR (2016): One of Fujifilm's sharpest primes — a compact, weather-sealed 35mm equivalent that handles any lighting and any weather.
Who should buy what
Quick take: The rf 28mm f/2.8 stm is the most affordable; only the xf 23mm f/2 r wr is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | RF 28mm f/2.8 STM (2023) | XF 23mm f/2 R WR (2016) |
|---|---|---|
| Price | £299 | £349 |
| Sensor | Canon RF mount (full-frame) | f/2 (max aperture) |
| Video | N/A — lens | 22cm minimum focus distance |
| Autofocus | STM — quiet, suitable for video | Internal focusing with stepping motor — fast and near-silent |
| Stabilisation | None | None (relies on body IBIS) |
| Burst Rate | N/A | N/A |
| Battery Life | N/A | N/A |
| Weight | 85g | 180g |
| Dimensions | 69.2mm diameter × 24.7mm length | 60mm diameter × 42.3mm length |
| Weather Sealed | No | Yes |
| Viewfinder | N/A | N/A |
| Screen | N/A | N/A |
| Mount | 55mm filter thread | Fujifilm X-mount |
| Memory Cards | N/A | N/A |
| Connectivity | N/A | N/A |
Suitability by genre
| Genre | RF 28mm f/2.8 STM | XF 23mm f/2 R WR |
|---|---|---|
| Travel | ||
| Street | ||
| Vlogging & Video | — | |
| Landscape | — |
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