Medium Format 44×33 sensor size
The 44×33 digital medium format used by Fujifilm GFX, Hasselblad X and Pentax 645 bodies. It is larger than full frame, so its crop factor is below 1: a lens frames wider here than on full frame.
Also called: 44x33, Fujifilm GFX, Hasselblad X, Pentax 645 digital
Dimensions
- Width × height
- 43.8 × 32.9 mm
- Diagonal
- 54.8 mm
- Sensor area
- 1,441 mm²
- Crop factor
- 0.79×
- Aspect ratio
- 4:3
Its area is +67% compared with full frame, and a lens mounted on it frames like a lens 0.79× longer on full frame.
- Full Frame 36 × 24 mm
- Medium Format 44×33 43.8 × 32.9 mm
Drawn to scale and centred on the lens axis.
Full-frame equivalent focal lengths on Medium Format 44×33
What common lenses frame like when mounted on Medium Format 44×33. Field of view is computed from this sensor's actual width and diagonal.
| Lens | Full-frame equivalent | Horizontal FoV | Diagonal FoV |
|---|---|---|---|
| 14 mm | 11.1 mm | 114.8° | 125.9° |
| 24 mm | 19.0 mm | 84.8° | 97.5° |
| 35 mm | 27.6 mm | 64.1° | 76.1° |
| 50 mm | 39.5 mm | 47.3° | 57.4° |
| 85 mm | 67.1 mm | 28.9° | 35.7° |
| 135 mm | 106.6 mm | 18.4° | 22.9° |
| 200 mm | 158.0 mm | 12.5° | 15.6° |
Lens needed on Medium Format 44×33 to match a full-frame view
Divide a full-frame focal length by 0.79× to find the lens that gives the same view on Medium Format 44×33. Real lenses come in fixed focal lengths, so pick the nearest one available.
| Full-frame view | Focal length on Medium Format 44×33 |
|---|---|
| 14 mm on full frame | 17.7 mm |
| 24 mm on full frame | 30.4 mm |
| 35 mm on full frame | 44.3 mm |
| 50 mm on full frame | 63.3 mm |
| 85 mm on full frame | 107.6 mm |
| 135 mm on full frame | 170.9 mm |
| 200 mm on full frame | 253.2 mm |
Calculate with Medium Format 44×33
Closest formats by size
- Full Frame 1.00× · -40% area
- APS-H 1.29× · -64% area
- APS-C (Sony, Nikon, Fujifilm) 1.53× · -74% area