Lens Comparison
Canon RF 16mm f/2.8 STM vs Canon RF 50mm f/1.8 STM Lens
Key Differences
- Canon RF 16mm f/2.8 STM has a better min focus distance (13 cm vs 30 cm).
- Canon RF 50mm f/1.8 STM Lens has a better maximum aperture (f/1.8 vs f/2.8).
- Canon RF 50mm f/1.8 STM Lens has a better price (msrp) ($239 vs $299).
- Canon RF 16mm f/2.8 STM has a better length (36.4mm vs 40mm).
- Canon RF 50mm f/1.8 STM Lens has a better weight (160g (5.6 oz) vs 165g (5.8 oz)).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 16mm | 50mm |
| Lens Type | Prime | Prime |
| Optical Elements | 10 | − |
| Optical Groups | 9 | − |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/1.8 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 7 |
| Rounded Aperture | No | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | − | 46° – 46° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | STM | STM |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 13 cm | 30 cm |
| Max Magnification | 0.26x | 0.25x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $299 | $239 |
| Filter Size | 43mm | 43mm |
| Diameter | 69.2mm | 69mm |
| Length | 36.4mm | 40mm |
| Weight | 165g (5.8 oz) | 160g (5.6 oz) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |






