Focal lengths / Medium format
25mm on Medium format
Frames like 19.8mm on full frame: 82.4° across, 66.7° top to bottom.

A 19.8mm eq.

| A 25mm on Medium format | |
|---|---|
| Focal length | 25mm |
| Full-frame equivalent | 19.8mm |
| Horizontal | 82.4° |
| Vertical | 66.7° |
| Diagonal | 95.2° |
| 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 19.8mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).
| Sensor | Focal length | Closest page |
|---|---|---|
| Full frame | 19.8mm | 20mm on Full frame |
| APS-C | 13.2mm | 13mm on APS-C |
| APS-C (Canon) | 12.3mm | 12mm on APS-C (Canon) |
| Micro Four Thirds | 9.9mm | 10mm on Micro Four Thirds |
| 1-inch | 7.3mm | — |
Primes at 25mm for Medium format (1)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Hasselblad XCD 25mm f/2.5 V | 25mm | f/2.5 | Hasselblad XCD | 2024 |
Zooms that reach 25mm (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 |