Sensor format

Medium format 44 × 33 mm

The 'small' digital medium format: 1.7× the area of full frame with a 0.79× crop factor.

43.8×32.9 mm

Dimensions

0.79×

Crop factor

1441 mm²

Area (167% of FF)

+0.7

Stops of light vs full frame

4:3

Aspect ratio

38.0 µm

Circle of confusion

About Medium format 44 × 33 mm#

The 'small' digital medium format: 1.7× the area of full frame with a 0.79× crop factor.

Typical cameras: Fujifilm GFX 100 II, Hasselblad X2D, Pentax 645Z.

Compared to other formats#

Lens needed for the same framing#

Full-frame focal length	Equivalent on Medium format 44 × 33 mm	Horizontal angle
14 mm	17.7 mm	102.0°
24 mm	30.4 mm	71.6°
35 mm	44.3 mm	52.6°
50 mm	63.3 mm	38.2°
85 mm	107.6 mm	23.0°
135 mm	170.9 mm	14.6°
200 mm	253.2 mm	9.9°

Equivalent aperture for depth of field#

On Medium format 44 × 33 mm	Full-frame equivalent
f/1.4	f/1.1
f/2	f/1.6
f/2.8	f/2.2
f/4	f/3.2
f/5.6	f/4.4
f/8	f/6.3

Cameras with a Medium format 44 × 33 mm sensor#

22 cameras in our database.

Frequently asked questions#

What is the crop factor of Medium format 44 × 33 mm?

0.79× (diagonal 54.8 mm vs 43.3 mm for full frame).

How big is a Medium format 44 × 33 mm sensor?

43.8 × 32.9 mm, an area of 1441 mm².

Is Medium format 44 × 33 mm good in low light?

At the same exposure it gathers 0.7 stops more total light than full frame, so expect roughly that much less visible noise at equal print size. Modern processing narrows but doesn't erase the gap.

Last updated October 03, 2026 · How we calculate · Sources