Focal lengths / Medium format
21mm on Medium format
Frames like 16.6mm on full frame: 92.4° across, 76.1° top to bottom.
A 16.6mm eq.
| A 21mm on Medium format | |
|---|---|
| Focal length | 21mm |
| Full-frame equivalent | 16.6mm |
| Horizontal | 92.4° |
| Vertical | 76.1° |
| Diagonal | 105° |
| Sensor | Medium format 43.8 × 32.9 mm |
| Crop factor | ×0.8 |
| Aspect ratio | 4:3 |
Same framing on other formats
The focal length that matches 16.6mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).
| Sensor | Focal length | Closest page |
|---|---|---|
| Full frame | 16.6mm | 17mm on Full frame |
| APS-C | 11.1mm | 11mm on APS-C |
| APS-C (Canon) | 10.4mm | 10mm on APS-C (Canon) |
| Micro Four Thirds | 8.3mm | 9mm on Micro Four Thirds |
| 1-inch | 6.1mm | — |
Primes at 21mm for Medium format (1)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Hasselblad XCD 21mm f/4 | 21mm | f/4 | Hasselblad XCD | 2018 |
Zooms that reach 21mm (2)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Fujifilm GF 20-35mm f/4 R WR | 20–35mm | f/4 | Fujifilm G | 2022 |
| Hasselblad XCD 20-35mm f/3.2-4.5 E | 20–35mm | f/3.2–4.5 | Hasselblad XCD | 2024 |