Field of View

Focal lengths / Medium format

25mm on Medium format

Frames like 19.8mm on full frame: 82.4° across, 66.7° top to bottom.

Reference photo: Forest
A 19.8mm eq.
The scene as framed by 25mm Medium format
A What 25mm Medium format sees
A 25mm on Medium format
Focal length25mm
Full-frame equivalent19.8mm
Horizontal82.4°
Vertical66.7°
Diagonal95.2°
SensorMedium format 43.8 × 32.9 mm
Crop factor×0.8
Aspect ratio4:3

Compare it with another setup →

Same framing on other formats

The focal length that matches 19.8mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).

SensorFocal lengthClosest page
Full frame19.8mm20mm on Full frame
APS-C13.2mm13mm on APS-C
APS-C (Canon)12.3mm12mm on APS-C (Canon)
Micro Four Thirds9.9mm10mm on Micro Four Thirds
1-inch7.3mm—

Primes at 25mm for Medium format (1)

LensFocalApertureMountYear
Hasselblad XCD 25mm f/2.5 V25mmf/2.5Hasselblad XCD2024
Zooms that reach 25mm (2)
LensFocalApertureMountYear
Fujifilm GF 20-35mm f/4 R WR20–35mmf/4Fujifilm G2022
Hasselblad XCD 20-35mm f/3.2-4.5 E20–35mmf/3.2–4.5Hasselblad XCD2024