45mm Micro Four Thirds vs 85mm Full frame

85mm Full frame frames 6% wider than 45mm Micro Four Thirds. The shapes differ: 45mm Micro Four Thirds is 4:3, 85mm Full frame is 3:2.

Reference photo: Forest

The scene as framed by 45mm Micro Four Thirds — A What 45mm Micro Four Thirds sees

The scene as framed by 85mm Full frame — B What 85mm Full frame sees

The numbers

	A 45mm on Micro Four Thirds	B 85mm on Full frame
Focal length	45mm	85mm
Full-frame equivalent	90mm	85mm
Horizontal	21.8°	23.9°
Vertical	16.4°	16.1°
Diagonal	27°	28.6°
Sensor	Micro Four Thirds 17.3 × 13 mm	Full frame 36 × 24 mm
Crop factor	×2	×1
Aspect ratio	4:3	3:2

Change either setup →

Other comparisons